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Finding the Fourth Proportional to 247.26, 341.18 and 149.04

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Solution

The fourth proportional to 247.26, 341.18 and 149.04 is: 205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.26 : 341.18 = 149.04 : x
  2. Step 2: Convert to fraction form
    247.26/341.18 = 149.04/x
  3. Step 3: Cross multiply
    247.26x = 341.18 × 149.04
  4. Step 4: Simplify right side
    247.26x = 50,848.72
  5. Step 5: Solve for x
    x = 50,848.72/247.26
  6. Step 6: Final answer
    x = 205.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.