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Finding the Fourth Proportional to 226.33, 338.17 and 164.33

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Solution

The fourth proportional to 226.33, 338.17 and 164.33 is: 245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.33 : 338.17 = 164.33 : x
  2. Step 2: Convert to fraction form
    226.33/338.17 = 164.33/x
  3. Step 3: Cross multiply
    226.33x = 338.17 × 164.33
  4. Step 4: Simplify right side
    226.33x = 55,571.48
  5. Step 5: Solve for x
    x = 55,571.48/226.33
  6. Step 6: Final answer
    x = 245.53

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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.