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Finding the Fourth Proportional to 547.04, 819.24 and 330.08

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Solution

The fourth proportional to 547.04, 819.24 and 330.08 is: 494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.04 : 819.24 = 330.08 : x
  2. Step 2: Convert to fraction form
    547.04/819.24 = 330.08/x
  3. Step 3: Cross multiply
    547.04x = 819.24 × 330.08
  4. Step 4: Simplify right side
    547.04x = 270,414.74
  5. Step 5: Solve for x
    x = 270,414.74/547.04
  6. Step 6: Final answer
    x = 494.32

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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.