Finding the Fourth Proportional to 272.97, 409.19 and 118.94
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Solution
The fourth proportional to 272.97, 409.19 and 118.94 is: 178.28
Step by Step Solution
- Step 1: Write the proportion equation
272.97 : 409.19 = 118.94 : x - Step 2: Convert to fraction form
272.97/409.19 = 118.94/x - Step 3: Cross multiply
272.97x = 409.19 × 118.94 - Step 4: Simplify right side
272.97x = 48,666.42 - Step 5: Solve for x
x = 48,666.42/272.97 - Step 6: Final answer
x = 178.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.