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Finding the Fourth Proportional to 327.16, 490.57 and 151.27

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Solution

The fourth proportional to 327.16, 490.57 and 151.27 is: 226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.16 : 490.57 = 151.27 : x
  2. Step 2: Convert to fraction form
    327.16/490.57 = 151.27/x
  3. Step 3: Cross multiply
    327.16x = 490.57 × 151.27
  4. Step 4: Simplify right side
    327.16x = 74,208.52
  5. Step 5: Solve for x
    x = 74,208.52/327.16
  6. Step 6: Final answer
    x = 226.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.