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Finding the Fourth Proportional to 629.46, 944.37 and 264.24

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Solution

The fourth proportional to 629.46, 944.37 and 264.24 is: 396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.46 : 944.37 = 264.24 : x
  2. Step 2: Convert to fraction form
    629.46/944.37 = 264.24/x
  3. Step 3: Cross multiply
    629.46x = 944.37 × 264.24
  4. Step 4: Simplify right side
    629.46x = 249,540.33
  5. Step 5: Solve for x
    x = 249,540.33/629.46
  6. Step 6: Final answer
    x = 396.44

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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.