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Finding the Fourth Proportional to 250.92, 375.40 and 230.48

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Solution

The fourth proportional to 250.92, 375.40 and 230.48 is: 344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.92 : 375.40 = 230.48 : x
  2. Step 2: Convert to fraction form
    250.92/375.40 = 230.48/x
  3. Step 3: Cross multiply
    250.92x = 375.40 × 230.48
  4. Step 4: Simplify right side
    250.92x = 86,522.19
  5. Step 5: Solve for x
    x = 86,522.19/250.92
  6. Step 6: Final answer
    x = 344.82

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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.