Finding the Fourth Proportional to 574.92, 793.62 and 342
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Solution
The fourth proportional to 574.92, 793.62 and 342 is: 472.10
Step by Step Solution
- Step 1: Write the proportion equation
574.92 : 793.62 = 342 : x - Step 2: Convert to fraction form
574.92/793.62 = 342/x - Step 3: Cross multiply
574.92x = 793.62 × 342 - Step 4: Simplify right side
574.92x = 271,418.04 - Step 5: Solve for x
x = 271,418.04/574.92 - Step 6: Final answer
x = 472.10
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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.