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Finding the Fourth Proportional to 73.27, 110.30 and 50.59

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Solution

The fourth proportional to 73.27, 110.30 and 50.59 is: 76.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.27 : 110.30 = 50.59 : x
  2. Step 2: Convert to fraction form
    73.27/110.30 = 50.59/x
  3. Step 3: Cross multiply
    73.27x = 110.30 × 50.59
  4. Step 4: Simplify right side
    73.27x = 5,579.96
  5. Step 5: Solve for x
    x = 5,579.96/73.27
  6. Step 6: Final answer
    x = 76.15

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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.