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Finding the Fourth Proportional to 637.52, 950.45 and 629.40

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Solution

The fourth proportional to 637.52, 950.45 and 629.40 is: 938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.52 : 950.45 = 629.40 : x
  2. Step 2: Convert to fraction form
    637.52/950.45 = 629.40/x
  3. Step 3: Cross multiply
    637.52x = 950.45 × 629.40
  4. Step 4: Simplify right side
    637.52x = 598,213.23
  5. Step 5: Solve for x
    x = 598,213.23/637.52
  6. Step 6: Final answer
    x = 938.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.