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Finding the Fourth Proportional to 329.95, 496.05 and 269.52

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Solution

The fourth proportional to 329.95, 496.05 and 269.52 is: 405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.95 : 496.05 = 269.52 : x
  2. Step 2: Convert to fraction form
    329.95/496.05 = 269.52/x
  3. Step 3: Cross multiply
    329.95x = 496.05 × 269.52
  4. Step 4: Simplify right side
    329.95x = 133,695.40
  5. Step 5: Solve for x
    x = 133,695.40/329.95
  6. Step 6: Final answer
    x = 405.20

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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.