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Finding the Fourth Proportional to 557.45, 836.18 and 232.73

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Solution

The fourth proportional to 557.45, 836.18 and 232.73 is: 349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.45 : 836.18 = 232.73 : x
  2. Step 2: Convert to fraction form
    557.45/836.18 = 232.73/x
  3. Step 3: Cross multiply
    557.45x = 836.18 × 232.73
  4. Step 4: Simplify right side
    557.45x = 194,604.17
  5. Step 5: Solve for x
    x = 194,604.17/557.45
  6. Step 6: Final answer
    x = 349.10

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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.