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Finding the Fourth Proportional to 327.66, 452.18 and 180.30

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Solution

The fourth proportional to 327.66, 452.18 and 180.30 is: 248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.66 : 452.18 = 180.30 : x
  2. Step 2: Convert to fraction form
    327.66/452.18 = 180.30/x
  3. Step 3: Cross multiply
    327.66x = 452.18 × 180.30
  4. Step 4: Simplify right side
    327.66x = 81,528.05
  5. Step 5: Solve for x
    x = 81,528.05/327.66
  6. Step 6: Final answer
    x = 248.82

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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.