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Finding the Fourth Proportional to 327.88, 452.49 and 180.53

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Solution

The fourth proportional to 327.88, 452.49 and 180.53 is: 249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.88 : 452.49 = 180.53 : x
  2. Step 2: Convert to fraction form
    327.88/452.49 = 180.53/x
  3. Step 3: Cross multiply
    327.88x = 452.49 × 180.53
  4. Step 4: Simplify right side
    327.88x = 81,687.12
  5. Step 5: Solve for x
    x = 81,687.12/327.88
  6. Step 6: Final answer
    x = 249.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.