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Finding the Fourth Proportional to 230.17, 344.80 and 108.27

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Solution

The fourth proportional to 230.17, 344.80 and 108.27 is: 162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.17 : 344.80 = 108.27 : x
  2. Step 2: Convert to fraction form
    230.17/344.80 = 108.27/x
  3. Step 3: Cross multiply
    230.17x = 344.80 × 108.27
  4. Step 4: Simplify right side
    230.17x = 37,331.50
  5. Step 5: Solve for x
    x = 37,331.50/230.17
  6. Step 6: Final answer
    x = 162.19

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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.