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Finding the Fourth Proportional to 633.96, 956.34 and 625.86

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Solution

The fourth proportional to 633.96, 956.34 and 625.86 is: 944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.96 : 956.34 = 625.86 : x
  2. Step 2: Convert to fraction form
    633.96/956.34 = 625.86/x
  3. Step 3: Cross multiply
    633.96x = 956.34 × 625.86
  4. Step 4: Simplify right side
    633.96x = 598,534.95
  5. Step 5: Solve for x
    x = 598,534.95/633.96
  6. Step 6: Final answer
    x = 944.12

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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.