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Finding the Fourth Proportional to 331.14, 496.98 and 329.52

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Solution

The fourth proportional to 331.14, 496.98 and 329.52 is: 494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.14 : 496.98 = 329.52 : x
  2. Step 2: Convert to fraction form
    331.14/496.98 = 329.52/x
  3. Step 3: Cross multiply
    331.14x = 496.98 × 329.52
  4. Step 4: Simplify right side
    331.14x = 163,764.85
  5. Step 5: Solve for x
    x = 163,764.85/331.14
  6. Step 6: Final answer
    x = 494.55

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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.