Proportion is also known as :

Question

Accepted Answer

Proportion is a fundamental concept in various fields such as mathematics, art, and design, and it is most accurately described by Option 3: "Law of relationship." Here's why this option is correct and why the others are not:

1. **Explanation for Option 3: Law of relationship**
   - Proportion refers to the comparative relationship between parts of a whole. It is about how different elements relate to each other in terms of size, quantity, or degree. In mathematics, proportion is used to express the equality of two ratios. In art and design, it is crucial for creating harmony and balance, ensuring that different elements of a composition relate well to each other. Thus, the term "Law of relationship" aptly describes the essence of proportion, as it fundamentally deals with the relationships between different parts.

2. **Explanation for why other options are incorrect:**

- **Option 1: Law of light**
     - The "Law of light" does not pertain to proportion. Instead, it would relate to principles governing the behavior of light, such as reflection, refraction, or illumination. These concepts are unrelated to the comparative relationships that define proportion.

- **Option 2: Law of line**
     - The "Law of line" would refer to principles involving lines, such as their direction, length, or interaction in geometry or art. While lines can be involved in creating proportions, the concept of proportion itself is broader and not limited to lines alone. Therefore, this option does not accurately capture the essence of proportion.

- **Option 4: Law of sketching**
     - The "Law of sketching" would relate to techniques or principles used in drawing or sketching. While sketching can involve the use of proportion to ensure accurate representation, the term itself does not define proportion. Proportion is a concept that extends beyond sketching to various other fields and applications.

In conclusion, Option 3, "Law of relationship," is the correct answer because it encapsulates the core idea of proportion, which is about the relationships between different elements or parts. The other options do not accurately describe the concept of proportion.