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Finding the Fourth Proportional to 755.03, 1,132.28 and 234.97

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Solution

The fourth proportional to 755.03, 1,132.28 and 234.97 is: 352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.03 : 1,132.28 = 234.97 : x
  2. Step 2: Convert to fraction form
    755.03/1,132.28 = 234.97/x
  3. Step 3: Cross multiply
    755.03x = 1,132.28 × 234.97
  4. Step 4: Simplify right side
    755.03x = 266,046.17
  5. Step 5: Solve for x
    x = 266,046.17/755.03
  6. Step 6: Final answer
    x = 352.37

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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.