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Finding the Fourth Proportional to 165.23, 247.91 and 110.60

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Solution

The fourth proportional to 165.23, 247.91 and 110.60 is: 165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.23 : 247.91 = 110.60 : x
  2. Step 2: Convert to fraction form
    165.23/247.91 = 110.60/x
  3. Step 3: Cross multiply
    165.23x = 247.91 × 110.60
  4. Step 4: Simplify right side
    165.23x = 27,418.29
  5. Step 5: Solve for x
    x = 27,418.29/165.23
  6. Step 6: Final answer
    x = 165.94

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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.