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Finding the Fourth Proportional to 247.01, 338.42 and 246.33

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Solution

The fourth proportional to 247.01, 338.42 and 246.33 is: 337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.01 : 338.42 = 246.33 : x
  2. Step 2: Convert to fraction form
    247.01/338.42 = 246.33/x
  3. Step 3: Cross multiply
    247.01x = 338.42 × 246.33
  4. Step 4: Simplify right side
    247.01x = 83,363.61
  5. Step 5: Solve for x
    x = 83,363.61/247.01
  6. Step 6: Final answer
    x = 337.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.