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Finding the Fourth Proportional to 247.96, 372.50 and 154.41

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Solution

The fourth proportional to 247.96, 372.50 and 154.41 is: 231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.96 : 372.50 = 154.41 : x
  2. Step 2: Convert to fraction form
    247.96/372.50 = 154.41/x
  3. Step 3: Cross multiply
    247.96x = 372.50 × 154.41
  4. Step 4: Simplify right side
    247.96x = 57,516.14
  5. Step 5: Solve for x
    x = 57,516.14/247.96
  6. Step 6: Final answer
    x = 231.96

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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.