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Finding the Fourth Proportional to 234.50, 324 and 195.62

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Solution

The fourth proportional to 234.50, 324 and 195.62 is: 270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.50 : 324 = 195.62 : x
  2. Step 2: Convert to fraction form
    234.50/324 = 195.62/x
  3. Step 3: Cross multiply
    234.50x = 324 × 195.62
  4. Step 4: Simplify right side
    234.50x = 63,380.88
  5. Step 5: Solve for x
    x = 63,380.88/234.50
  6. Step 6: Final answer
    x = 270.28

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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.