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Finding the Fourth Proportional to 637.41, 956.31 and 252.93

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Solution

The fourth proportional to 637.41, 956.31 and 252.93 is: 379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.41 : 956.31 = 252.93 : x
  2. Step 2: Convert to fraction form
    637.41/956.31 = 252.93/x
  3. Step 3: Cross multiply
    637.41x = 956.31 × 252.93
  4. Step 4: Simplify right side
    637.41x = 241,879.49
  5. Step 5: Solve for x
    x = 241,879.49/637.41
  6. Step 6: Final answer
    x = 379.47

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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.