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Finding the Fourth Proportional to 539.46, 809.19 and 297.52

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Solution

The fourth proportional to 539.46, 809.19 and 297.52 is: 446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.46 : 809.19 = 297.52 : x
  2. Step 2: Convert to fraction form
    539.46/809.19 = 297.52/x
  3. Step 3: Cross multiply
    539.46x = 809.19 × 297.52
  4. Step 4: Simplify right side
    539.46x = 240,748.19
  5. Step 5: Solve for x
    x = 240,748.19/539.46
  6. Step 6: Final answer
    x = 446.28

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Similar ratio
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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.