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Finding the Fourth Proportional to 230.98, 344.50 and 226.12

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Solution

The fourth proportional to 230.98, 344.50 and 226.12 is: 337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.98 : 344.50 = 226.12 : x
  2. Step 2: Convert to fraction form
    230.98/344.50 = 226.12/x
  3. Step 3: Cross multiply
    230.98x = 344.50 × 226.12
  4. Step 4: Simplify right side
    230.98x = 77,898.34
  5. Step 5: Solve for x
    x = 77,898.34/230.98
  6. Step 6: Final answer
    x = 337.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.