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Finding the Fourth Proportional to 247.32, 341.43 and 177.39

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Solution

The fourth proportional to 247.32, 341.43 and 177.39 is: 244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.32 : 341.43 = 177.39 : x
  2. Step 2: Convert to fraction form
    247.32/341.43 = 177.39/x
  3. Step 3: Cross multiply
    247.32x = 341.43 × 177.39
  4. Step 4: Simplify right side
    247.32x = 60,566.27
  5. Step 5: Solve for x
    x = 60,566.27/247.32
  6. Step 6: Final answer
    x = 244.89

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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.