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Finding the Fourth Proportional to 534.80, 801.37 and 360.85

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Solution

The fourth proportional to 534.80, 801.37 and 360.85 is: 540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.80 : 801.37 = 360.85 : x
  2. Step 2: Convert to fraction form
    534.80/801.37 = 360.85/x
  3. Step 3: Cross multiply
    534.80x = 801.37 × 360.85
  4. Step 4: Simplify right side
    534.80x = 289,172.56
  5. Step 5: Solve for x
    x = 289,172.56/534.80
  6. Step 6: Final answer
    x = 540.72

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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.