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Finding the Fourth Proportional to 539.73, 809.06 and 250.83

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Solution

The fourth proportional to 539.73, 809.06 and 250.83 is: 375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.73 : 809.06 = 250.83 : x
  2. Step 2: Convert to fraction form
    539.73/809.06 = 250.83/x
  3. Step 3: Cross multiply
    539.73x = 809.06 × 250.83
  4. Step 4: Simplify right side
    539.73x = 202,935.27
  5. Step 5: Solve for x
    x = 202,935.27/539.73
  6. Step 6: Final answer
    x = 375.99

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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.