Finding the Fourth Proportional to 542.11, 812.97 and 176.81
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Solution
The fourth proportional to 542.11, 812.97 and 176.81 is: 265.15
Step by Step Solution
- Step 1: Write the proportion equation
542.11 : 812.97 = 176.81 : x - Step 2: Convert to fraction form
542.11/812.97 = 176.81/x - Step 3: Cross multiply
542.11x = 812.97 × 176.81 - Step 4: Simplify right side
542.11x = 143,741.23 - Step 5: Solve for x
x = 143,741.23/542.11 - Step 6: Final answer
x = 265.15
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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.