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Finding the Fourth Proportional to 248.62, 344.76 and 234.65

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Solution

The fourth proportional to 248.62, 344.76 and 234.65 is: 325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.62 : 344.76 = 234.65 : x
  2. Step 2: Convert to fraction form
    248.62/344.76 = 234.65/x
  3. Step 3: Cross multiply
    248.62x = 344.76 × 234.65
  4. Step 4: Simplify right side
    248.62x = 80,895.98
  5. Step 5: Solve for x
    x = 80,895.98/248.62
  6. Step 6: Final answer
    x = 325.38

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.