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Finding the Fourth Proportional to 230.59, 346.11 and 169.55

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Solution

The fourth proportional to 230.59, 346.11 and 169.55 is: 254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.59 : 346.11 = 169.55 : x
  2. Step 2: Convert to fraction form
    230.59/346.11 = 169.55/x
  3. Step 3: Cross multiply
    230.59x = 346.11 × 169.55
  4. Step 4: Simplify right side
    230.59x = 58,682.95
  5. Step 5: Solve for x
    x = 58,682.95/230.59
  6. Step 6: Final answer
    x = 254.49

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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.