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Finding the Fourth Proportional to 79.98, 110.26 and 60.27

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Solution

The fourth proportional to 79.98, 110.26 and 60.27 is: 83.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.98 : 110.26 = 60.27 : x
  2. Step 2: Convert to fraction form
    79.98/110.26 = 60.27/x
  3. Step 3: Cross multiply
    79.98x = 110.26 × 60.27
  4. Step 4: Simplify right side
    79.98x = 6,645.37
  5. Step 5: Solve for x
    x = 6,645.37/79.98
  6. Step 6: Final answer
    x = 83.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.