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Finding the Fourth Proportional to 247.13, 370.43 and 92.96

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Solution

The fourth proportional to 247.13, 370.43 and 92.96 is: 139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.13 : 370.43 = 92.96 : x
  2. Step 2: Convert to fraction form
    247.13/370.43 = 92.96/x
  3. Step 3: Cross multiply
    247.13x = 370.43 × 92.96
  4. Step 4: Simplify right side
    247.13x = 34,435.17
  5. Step 5: Solve for x
    x = 34,435.17/247.13
  6. Step 6: Final answer
    x = 139.34

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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.