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Finding the Fourth Proportional to 637.84, 956.12 and 247.74

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Solution

The fourth proportional to 637.84, 956.12 and 247.74 is: 371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.84 : 956.12 = 247.74 : x
  2. Step 2: Convert to fraction form
    637.84/956.12 = 247.74/x
  3. Step 3: Cross multiply
    637.84x = 956.12 × 247.74
  4. Step 4: Simplify right side
    637.84x = 236,869.17
  5. Step 5: Solve for x
    x = 236,869.17/637.84
  6. Step 6: Final answer
    x = 371.36

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Double scale
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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.