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Finding the Fourth Proportional to 230.10, 345.25 and 108.44

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Solution

The fourth proportional to 230.10, 345.25 and 108.44 is: 162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.10 : 345.25 = 108.44 : x
  2. Step 2: Convert to fraction form
    230.10/345.25 = 108.44/x
  3. Step 3: Cross multiply
    230.10x = 345.25 × 108.44
  4. Step 4: Simplify right side
    230.10x = 37,438.91
  5. Step 5: Solve for x
    x = 37,438.91/230.10
  6. Step 6: Final answer
    x = 162.71

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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.