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Finding the Fourth Proportional to 110.26, 164.63 and 94.86

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Solution

The fourth proportional to 110.26, 164.63 and 94.86 is: 141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.26 : 164.63 = 94.86 : x
  2. Step 2: Convert to fraction form
    110.26/164.63 = 94.86/x
  3. Step 3: Cross multiply
    110.26x = 164.63 × 94.86
  4. Step 4: Simplify right side
    110.26x = 15,616.80
  5. Step 5: Solve for x
    x = 15,616.80/110.26
  6. Step 6: Final answer
    x = 141.64

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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.