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Finding the Fourth Proportional to 249.54, 346.76 and 246.48

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Solution

The fourth proportional to 249.54, 346.76 and 246.48 is: 342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.54 : 346.76 = 246.48 : x
  2. Step 2: Convert to fraction form
    249.54/346.76 = 246.48/x
  3. Step 3: Cross multiply
    249.54x = 346.76 × 246.48
  4. Step 4: Simplify right side
    249.54x = 85,468.17
  5. Step 5: Solve for x
    x = 85,468.17/249.54
  6. Step 6: Final answer
    x = 342.50

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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.