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Finding the Fourth Proportional to 539.97, 810.24 and 232.12

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Solution

The fourth proportional to 539.97, 810.24 and 232.12 is: 348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.97 : 810.24 = 232.12 : x
  2. Step 2: Convert to fraction form
    539.97/810.24 = 232.12/x
  3. Step 3: Cross multiply
    539.97x = 810.24 × 232.12
  4. Step 4: Simplify right side
    539.97x = 188,072.91
  5. Step 5: Solve for x
    x = 188,072.91/539.97
  6. Step 6: Final answer
    x = 348.30

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Double scale
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Similar ratio
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1.5x scale

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.