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Finding the Fourth Proportional to 629.56, 944.22 and 244.76

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Solution

The fourth proportional to 629.56, 944.22 and 244.76 is: 367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.56 : 944.22 = 244.76 : x
  2. Step 2: Convert to fraction form
    629.56/944.22 = 244.76/x
  3. Step 3: Cross multiply
    629.56x = 944.22 × 244.76
  4. Step 4: Simplify right side
    629.56x = 231,107.29
  5. Step 5: Solve for x
    x = 231,107.29/629.56
  6. Step 6: Final answer
    x = 367.09

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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.