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Finding the Fourth Proportional to 73.15, 110.21 and 60.59

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Solution

The fourth proportional to 73.15, 110.21 and 60.59 is: 91.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.15 : 110.21 = 60.59 : x
  2. Step 2: Convert to fraction form
    73.15/110.21 = 60.59/x
  3. Step 3: Cross multiply
    73.15x = 110.21 × 60.59
  4. Step 4: Simplify right side
    73.15x = 6,677.60
  5. Step 5: Solve for x
    x = 6,677.60/73.15
  6. Step 6: Final answer
    x = 91.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.