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Finding the Fourth Proportional to 226, 338.91 and 110.41

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Solution

The fourth proportional to 226, 338.91 and 110.41 is: 165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226 : 338.91 = 110.41 : x
  2. Step 2: Convert to fraction form
    226/338.91 = 110.41/x
  3. Step 3: Cross multiply
    226x = 338.91 × 110.41
  4. Step 4: Simplify right side
    226x = 37,419.05
  5. Step 5: Solve for x
    x = 37,419.05/226
  6. Step 6: Final answer
    x = 165.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.