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Finding the Fourth Proportional to 110.95, 165.58 and 97.27

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Solution

The fourth proportional to 110.95, 165.58 and 97.27 is: 145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.95 : 165.58 = 97.27 : x
  2. Step 2: Convert to fraction form
    110.95/165.58 = 97.27/x
  3. Step 3: Cross multiply
    110.95x = 165.58 × 97.27
  4. Step 4: Simplify right side
    110.95x = 16,105.31
  5. Step 5: Solve for x
    x = 16,105.31/110.95
  6. Step 6: Final answer
    x = 145.16

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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.