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Finding the Fourth Proportional to 444.72, 667.16 and 227.92

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Solution

The fourth proportional to 444.72, 667.16 and 227.92 is: 341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.72 : 667.16 = 227.92 : x
  2. Step 2: Convert to fraction form
    444.72/667.16 = 227.92/x
  3. Step 3: Cross multiply
    444.72x = 667.16 × 227.92
  4. Step 4: Simplify right side
    444.72x = 152,059.11
  5. Step 5: Solve for x
    x = 152,059.11/444.72
  6. Step 6: Final answer
    x = 341.92

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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.