Finding the Fourth Proportional to 397.97, 549.08 and 232.17
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Solution
The fourth proportional to 397.97, 549.08 and 232.17 is: 320.33
Step by Step Solution
- Step 1: Write the proportion equation
397.97 : 549.08 = 232.17 : x - Step 2: Convert to fraction form
397.97/549.08 = 232.17/x - Step 3: Cross multiply
397.97x = 549.08 × 232.17 - Step 4: Simplify right side
397.97x = 127,478.74 - Step 5: Solve for x
x = 127,478.74/397.97 - Step 6: Final answer
x = 320.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.