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Finding the Fourth Proportional to 110.32, 165.36 and 62.24

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Solution

The fourth proportional to 110.32, 165.36 and 62.24 is: 93.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.32 : 165.36 = 62.24 : x
  2. Step 2: Convert to fraction form
    110.32/165.36 = 62.24/x
  3. Step 3: Cross multiply
    110.32x = 165.36 × 62.24
  4. Step 4: Simplify right side
    110.32x = 10,292.01
  5. Step 5: Solve for x
    x = 10,292.01/110.32
  6. Step 6: Final answer
    x = 93.29

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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.