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Finding the Fourth Proportional to 110.26, 151.27 and 103.28

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Solution

The fourth proportional to 110.26, 151.27 and 103.28 is: 141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.26 : 151.27 = 103.28 : x
  2. Step 2: Convert to fraction form
    110.26/151.27 = 103.28/x
  3. Step 3: Cross multiply
    110.26x = 151.27 × 103.28
  4. Step 4: Simplify right side
    110.26x = 15,622.15
  5. Step 5: Solve for x
    x = 15,622.15/110.26
  6. Step 6: Final answer
    x = 141.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.