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Finding the Fourth Proportional to 236.97, 353.09 and 226.49

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Solution

The fourth proportional to 236.97, 353.09 and 226.49 is: 337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.97 : 353.09 = 226.49 : x
  2. Step 2: Convert to fraction form
    236.97/353.09 = 226.49/x
  3. Step 3: Cross multiply
    236.97x = 353.09 × 226.49
  4. Step 4: Simplify right side
    236.97x = 79,968.46
  5. Step 5: Solve for x
    x = 79,968.46/236.97
  6. Step 6: Final answer
    x = 337.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.