Finding the Fourth Proportional to 362.19, 542.96 and 130.97
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Solution
The fourth proportional to 362.19, 542.96 and 130.97 is: 196.33
Step by Step Solution
- Step 1: Write the proportion equation
362.19 : 542.96 = 130.97 : x - Step 2: Convert to fraction form
362.19/542.96 = 130.97/x - Step 3: Cross multiply
362.19x = 542.96 × 130.97 - Step 4: Simplify right side
362.19x = 71,108.10 - Step 5: Solve for x
x = 71,108.10/362.19 - Step 6: Final answer
x = 196.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.