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Finding the Fourth Proportional to 230.10, 344.76 and 127.16

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Solution

The fourth proportional to 230.10, 344.76 and 127.16 is: 190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.10 : 344.76 = 127.16 : x
  2. Step 2: Convert to fraction form
    230.10/344.76 = 127.16/x
  3. Step 3: Cross multiply
    230.10x = 344.76 × 127.16
  4. Step 4: Simplify right side
    230.10x = 43,837.96
  5. Step 5: Solve for x
    x = 43,837.96/230.10
  6. Step 6: Final answer
    x = 190.52

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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.