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Finding the Fourth Proportional to 629.35, 944.07 and 167.11

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Solution

The fourth proportional to 629.35, 944.07 and 167.11 is: 250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.35 : 944.07 = 167.11 : x
  2. Step 2: Convert to fraction form
    629.35/944.07 = 167.11/x
  3. Step 3: Cross multiply
    629.35x = 944.07 × 167.11
  4. Step 4: Simplify right side
    629.35x = 157,763.54
  5. Step 5: Solve for x
    x = 157,763.54/629.35
  6. Step 6: Final answer
    x = 250.68

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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.