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Finding the Fourth Proportional to 534.33, 801.27 and 187.56

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Solution

The fourth proportional to 534.33, 801.27 and 187.56 is: 281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.33 : 801.27 = 187.56 : x
  2. Step 2: Convert to fraction form
    534.33/801.27 = 187.56/x
  3. Step 3: Cross multiply
    534.33x = 801.27 × 187.56
  4. Step 4: Simplify right side
    534.33x = 150,286.20
  5. Step 5: Solve for x
    x = 150,286.20/534.33
  6. Step 6: Final answer
    x = 281.26

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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.