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Finding the Fourth Proportional to 230.17, 344.97 and 127.49

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Solution

The fourth proportional to 230.17, 344.97 and 127.49 is: 191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.17 : 344.97 = 127.49 : x
  2. Step 2: Convert to fraction form
    230.17/344.97 = 127.49/x
  3. Step 3: Cross multiply
    230.17x = 344.97 × 127.49
  4. Step 4: Simplify right side
    230.17x = 43,980.23
  5. Step 5: Solve for x
    x = 43,980.23/230.17
  6. Step 6: Final answer
    x = 191.08

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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.