What is the meaning of Proportion?

A quantity of something that is part of the whole amount or number.

Harmonious relation of parts to each other or to the whole.

Proper or equal share.

The relation of one part to another or to the whole with respect to magnitude, quantity, or degree.

A statement of equality between two ratios.

The "rule of three", in which three terms are given to find a fourth.

Size.

To divide into proper shares; to apportion.

To form symmetrically.

To set or render in proportion.

To correspond to.

proportion

proportion

proportion

Source: wiktionary.org