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Finding the Fourth Proportional to 110.08, 164.96 and 88.64

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Solution

The fourth proportional to 110.08, 164.96 and 88.64 is: 132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.08 : 164.96 = 88.64 : x
  2. Step 2: Convert to fraction form
    110.08/164.96 = 88.64/x
  3. Step 3: Cross multiply
    110.08x = 164.96 × 88.64
  4. Step 4: Simplify right side
    110.08x = 14,622.05
  5. Step 5: Solve for x
    x = 14,622.05/110.08
  6. Step 6: Final answer
    x = 132.83

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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.