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Finding the Fourth Proportional to 80.01, 110.30 and 60.35

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Solution

The fourth proportional to 80.01, 110.30 and 60.35 is: 83.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80.01 : 110.30 = 60.35 : x
  2. Step 2: Convert to fraction form
    80.01/110.30 = 60.35/x
  3. Step 3: Cross multiply
    80.01x = 110.30 × 60.35
  4. Step 4: Simplify right side
    80.01x = 6,655.75
  5. Step 5: Solve for x
    x = 6,655.75/80.01
  6. Step 6: Final answer
    x = 83.19

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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.