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Finding the Fourth Proportional to 234.80, 352.32 and 170.96

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Solution

The fourth proportional to 234.80, 352.32 and 170.96 is: 256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.80 : 352.32 = 170.96 : x
  2. Step 2: Convert to fraction form
    234.80/352.32 = 170.96/x
  3. Step 3: Cross multiply
    234.80x = 352.32 × 170.96
  4. Step 4: Simplify right side
    234.80x = 60,232.63
  5. Step 5: Solve for x
    x = 60,232.63/234.80
  6. Step 6: Final answer
    x = 256.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.