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Finding the Fourth Proportional to 234.84, 323.70 and 179.49

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Solution

The fourth proportional to 234.84, 323.70 and 179.49 is: 247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 323.70 = 179.49 : x
  2. Step 2: Convert to fraction form
    234.84/323.70 = 179.49/x
  3. Step 3: Cross multiply
    234.84x = 323.70 × 179.49
  4. Step 4: Simplify right side
    234.84x = 58,100.91
  5. Step 5: Solve for x
    x = 58,100.91/234.84
  6. Step 6: Final answer
    x = 247.41

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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.