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Finding the Fourth Proportional to 327.52, 450.88 and 240.08

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Solution

The fourth proportional to 327.52, 450.88 and 240.08 is: 330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.52 : 450.88 = 240.08 : x
  2. Step 2: Convert to fraction form
    327.52/450.88 = 240.08/x
  3. Step 3: Cross multiply
    327.52x = 450.88 × 240.08
  4. Step 4: Simplify right side
    327.52x = 108,247.27
  5. Step 5: Solve for x
    x = 108,247.27/327.52
  6. Step 6: Final answer
    x = 330.51

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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.