How to Use "proportional" with Example Sentences

1. Countries with parliaments elected by proportional representation are often cursed with myriad political groups .
2. This change in itself falls far short of the proportional representation that lib dems would like .
3. Replacing the current voting system with a proportional one is a priority for the lib dems , along with wider political reforms .
4. The haggling over what shape the new administration takes could be hard to stomach for a country unused to the back-room deals that democracies with proportional voting systems rely on to form governments .
5. Sunscreens that want to brand themselves as " broad spectrum " must pass a new test that demonstrates protection against both uva and uvb to a proportional degree .