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Finding the Fourth Proportional to 244.48, 339.46 and 238.60

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Solution

The fourth proportional to 244.48, 339.46 and 238.60 is: 331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.48 : 339.46 = 238.60 : x
  2. Step 2: Convert to fraction form
    244.48/339.46 = 238.60/x
  3. Step 3: Cross multiply
    244.48x = 339.46 × 238.60
  4. Step 4: Simplify right side
    244.48x = 80,995.16
  5. Step 5: Solve for x
    x = 80,995.16/244.48
  6. Step 6: Final answer
    x = 331.30

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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.