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Finding the Fourth Proportional to 226, 338.91 and 110.35

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Solution

The fourth proportional to 226, 338.91 and 110.35 is: 165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226 : 338.91 = 110.35 : x
  2. Step 2: Convert to fraction form
    226/338.91 = 110.35/x
  3. Step 3: Cross multiply
    226x = 338.91 × 110.35
  4. Step 4: Simplify right side
    226x = 37,398.72
  5. Step 5: Solve for x
    x = 37,398.72/226
  6. Step 6: Final answer
    x = 165.48

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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.