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Finding the Fourth Proportional to 539.27, 809.22 and 226.89

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Solution

The fourth proportional to 539.27, 809.22 and 226.89 is: 340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.27 : 809.22 = 226.89 : x
  2. Step 2: Convert to fraction form
    539.27/809.22 = 226.89/x
  3. Step 3: Cross multiply
    539.27x = 809.22 × 226.89
  4. Step 4: Simplify right side
    539.27x = 183,603.93
  5. Step 5: Solve for x
    x = 183,603.93/539.27
  6. Step 6: Final answer
    x = 340.47

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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.