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Finding the Fourth Proportional to 633.60, 956.13 and 610.73

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Solution

The fourth proportional to 633.60, 956.13 and 610.73 is: 921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.60 : 956.13 = 610.73 : x
  2. Step 2: Convert to fraction form
    633.60/956.13 = 610.73/x
  3. Step 3: Cross multiply
    633.60x = 956.13 × 610.73
  4. Step 4: Simplify right side
    633.60x = 583,932.49
  5. Step 5: Solve for x
    x = 583,932.49/633.60
  6. Step 6: Final answer
    x = 921.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.