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Finding the Fourth Proportional to 557.47, 836.21 and 232.46

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Solution

The fourth proportional to 557.47, 836.21 and 232.46 is: 348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.47 : 836.21 = 232.46 : x
  2. Step 2: Convert to fraction form
    557.47/836.21 = 232.46/x
  3. Step 3: Cross multiply
    557.47x = 836.21 × 232.46
  4. Step 4: Simplify right side
    557.47x = 194,385.38
  5. Step 5: Solve for x
    x = 194,385.38/557.47
  6. Step 6: Final answer
    x = 348.69

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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.