Finding the Fourth Proportional to 397.68, 597.09 and 224.68
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Solution
The fourth proportional to 397.68, 597.09 and 224.68 is: 337.34
Step by Step Solution
- Step 1: Write the proportion equation
397.68 : 597.09 = 224.68 : x - Step 2: Convert to fraction form
397.68/597.09 = 224.68/x - Step 3: Cross multiply
397.68x = 597.09 × 224.68 - Step 4: Simplify right side
397.68x = 134,154.18 - Step 5: Solve for x
x = 134,154.18/397.68 - Step 6: Final answer
x = 337.34
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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.