设计师需要确保家具尺寸与房间大小的比例协调。

The designer needs to consider the ___proportionality between furniture size and room dimensions.

法院裁定政府措施违反了比例原则，因为限制超过了必要程度。

The court ruled that the government's measures violated the principle of ___proportionality as the restrictions exceeded what was necessary.

在物理实验中，我们发现弹簧的伸长与施加的力成正比。

In the physics experiment, we observed a clear ___proportionality between the spring's extension and the applied force.