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Finding the Fourth Proportional to 539.33, 807.39 and 333.23

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Solution

The fourth proportional to 539.33, 807.39 and 333.23 is: 498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.33 : 807.39 = 333.23 : x
  2. Step 2: Convert to fraction form
    539.33/807.39 = 333.23/x
  3. Step 3: Cross multiply
    539.33x = 807.39 × 333.23
  4. Step 4: Simplify right side
    539.33x = 269,046.57
  5. Step 5: Solve for x
    x = 269,046.57/539.33
  6. Step 6: Final answer
    x = 498.85

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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.