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Finding the Fourth Proportional to 773.24, 1,159.52 and 225.29

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Solution

The fourth proportional to 773.24, 1,159.52 and 225.29 is: 337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.24 : 1,159.52 = 225.29 : x
  2. Step 2: Convert to fraction form
    773.24/1,159.52 = 225.29/x
  3. Step 3: Cross multiply
    773.24x = 1,159.52 × 225.29
  4. Step 4: Simplify right side
    773.24x = 261,221.34
  5. Step 5: Solve for x
    x = 261,221.34/773.24
  6. Step 6: Final answer
    x = 337.83

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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.