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Finding the Fourth Proportional to 247.27, 370.96 and 73.94

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Solution

The fourth proportional to 247.27, 370.96 and 73.94 is: 110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.27 : 370.96 = 73.94 : x
  2. Step 2: Convert to fraction form
    247.27/370.96 = 73.94/x
  3. Step 3: Cross multiply
    247.27x = 370.96 × 73.94
  4. Step 4: Simplify right side
    247.27x = 27,428.78
  5. Step 5: Solve for x
    x = 27,428.78/247.27
  6. Step 6: Final answer
    x = 110.93

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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.