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Finding the Fourth Proportional to 372.27, 511.01 and 329.90

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Solution

The fourth proportional to 372.27, 511.01 and 329.90 is: 452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.27 : 511.01 = 329.90 : x
  2. Step 2: Convert to fraction form
    372.27/511.01 = 329.90/x
  3. Step 3: Cross multiply
    372.27x = 511.01 × 329.90
  4. Step 4: Simplify right side
    372.27x = 168,577.99
  5. Step 5: Solve for x
    x = 168,577.99/372.27
  6. Step 6: Final answer
    x = 452.84

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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.