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Finding the Fourth Proportional to 247.26, 343.37 and 244.86

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Solution

The fourth proportional to 247.26, 343.37 and 244.86 is: 340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.26 : 343.37 = 244.86 : x
  2. Step 2: Convert to fraction form
    247.26/343.37 = 244.86/x
  3. Step 3: Cross multiply
    247.26x = 343.37 × 244.86
  4. Step 4: Simplify right side
    247.26x = 84,076.35
  5. Step 5: Solve for x
    x = 84,076.35/247.26
  6. Step 6: Final answer
    x = 340.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.