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Finding the Fourth Proportional to 234.12, 348.21 and 229.52

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Solution

The fourth proportional to 234.12, 348.21 and 229.52 is: 341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.12 : 348.21 = 229.52 : x
  2. Step 2: Convert to fraction form
    234.12/348.21 = 229.52/x
  3. Step 3: Cross multiply
    234.12x = 348.21 × 229.52
  4. Step 4: Simplify right side
    234.12x = 79,918.27
  5. Step 5: Solve for x
    x = 79,918.27/234.12
  6. Step 6: Final answer
    x = 341.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.