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Finding the Fourth Proportional to 329.20, 499.52 and 329.20

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Solution

The fourth proportional to 329.20, 499.52 and 329.20 is: 499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.20 : 499.52 = 329.20 : x
  2. Step 2: Convert to fraction form
    329.20/499.52 = 329.20/x
  3. Step 3: Cross multiply
    329.20x = 499.52 × 329.20
  4. Step 4: Simplify right side
    329.20x = 164,441.98
  5. Step 5: Solve for x
    x = 164,441.98/329.20
  6. Step 6: Final answer
    x = 499.52

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.