Finding the Fourth Proportional to 403.67, 557.14 and 229.02
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Solution
The fourth proportional to 403.67, 557.14 and 229.02 is: 316.08
Step by Step Solution
- Step 1: Write the proportion equation
403.67 : 557.14 = 229.02 : x - Step 2: Convert to fraction form
403.67/557.14 = 229.02/x - Step 3: Cross multiply
403.67x = 557.14 × 229.02 - Step 4: Simplify right side
403.67x = 127,593.99 - Step 5: Solve for x
x = 127,593.99/403.67 - Step 6: Final answer
x = 316.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.