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Finding the Fourth Proportional to 540.52, 809.82 and 323.56

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Solution

The fourth proportional to 540.52, 809.82 and 323.56 is: 484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.52 : 809.82 = 323.56 : x
  2. Step 2: Convert to fraction form
    540.52/809.82 = 323.56/x
  3. Step 3: Cross multiply
    540.52x = 809.82 × 323.56
  4. Step 4: Simplify right side
    540.52x = 262,025.36
  5. Step 5: Solve for x
    x = 262,025.36/540.52
  6. Step 6: Final answer
    x = 484.77

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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.