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Finding the Fourth Proportional to 227.28, 340.20 and 150.30

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Solution

The fourth proportional to 227.28, 340.20 and 150.30 is: 224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.28 : 340.20 = 150.30 : x
  2. Step 2: Convert to fraction form
    227.28/340.20 = 150.30/x
  3. Step 3: Cross multiply
    227.28x = 340.20 × 150.30
  4. Step 4: Simplify right side
    227.28x = 51,132.06
  5. Step 5: Solve for x
    x = 51,132.06/227.28
  6. Step 6: Final answer
    x = 224.97

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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.