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Finding the Fourth Proportional to 801.52, 1,202.32 and 332.96

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Solution

The fourth proportional to 801.52, 1,202.32 and 332.96 is: 499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801.52 : 1,202.32 = 332.96 : x
  2. Step 2: Convert to fraction form
    801.52/1,202.32 = 332.96/x
  3. Step 3: Cross multiply
    801.52x = 1,202.32 × 332.96
  4. Step 4: Simplify right side
    801.52x = 400,324.47
  5. Step 5: Solve for x
    x = 400,324.47/801.52
  6. Step 6: Final answer
    x = 499.46

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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.