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Finding the Fourth Proportional to 637.84, 951.46 and 627.27

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Solution

The fourth proportional to 637.84, 951.46 and 627.27 is: 935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.84 : 951.46 = 627.27 : x
  2. Step 2: Convert to fraction form
    637.84/951.46 = 627.27/x
  3. Step 3: Cross multiply
    637.84x = 951.46 × 627.27
  4. Step 4: Simplify right side
    637.84x = 596,822.31
  5. Step 5: Solve for x
    x = 596,822.31/637.84
  6. Step 6: Final answer
    x = 935.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.