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Finding the Fourth Proportional to 362.80, 497.84 and 329.92

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Solution

The fourth proportional to 362.80, 497.84 and 329.92 is: 452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.80 : 497.84 = 329.92 : x
  2. Step 2: Convert to fraction form
    362.80/497.84 = 329.92/x
  3. Step 3: Cross multiply
    362.80x = 497.84 × 329.92
  4. Step 4: Simplify right side
    362.80x = 164,247.37
  5. Step 5: Solve for x
    x = 164,247.37/362.80
  6. Step 6: Final answer
    x = 452.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.