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Finding the Fourth Proportional to 327.27, 451.61 and 187.37

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Solution

The fourth proportional to 327.27, 451.61 and 187.37 is: 258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.27 : 451.61 = 187.37 : x
  2. Step 2: Convert to fraction form
    327.27/451.61 = 187.37/x
  3. Step 3: Cross multiply
    327.27x = 451.61 × 187.37
  4. Step 4: Simplify right side
    327.27x = 84,614.97
  5. Step 5: Solve for x
    x = 84,614.97/327.27
  6. Step 6: Final answer
    x = 258.55

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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.