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Finding the Fourth Proportional to 625.46, 938.19 and 337.46

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Solution

The fourth proportional to 625.46, 938.19 and 337.46 is: 506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.46 : 938.19 = 337.46 : x
  2. Step 2: Convert to fraction form
    625.46/938.19 = 337.46/x
  3. Step 3: Cross multiply
    625.46x = 938.19 × 337.46
  4. Step 4: Simplify right side
    625.46x = 316,601.60
  5. Step 5: Solve for x
    x = 316,601.60/625.46
  6. Step 6: Final answer
    x = 506.19

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Half scale
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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.