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Finding the Fourth Proportional to 637.26, 953.97 and 576.42

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Solution

The fourth proportional to 637.26, 953.97 and 576.42 is: 862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.26 : 953.97 = 576.42 : x
  2. Step 2: Convert to fraction form
    637.26/953.97 = 576.42/x
  3. Step 3: Cross multiply
    637.26x = 953.97 × 576.42
  4. Step 4: Simplify right side
    637.26x = 549,887.39
  5. Step 5: Solve for x
    x = 549,887.39/637.26
  6. Step 6: Final answer
    x = 862.89

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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.