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Finding the Fourth Proportional to 73.24, 110.25 and 63.31

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Solution

The fourth proportional to 73.24, 110.25 and 63.31 is: 95.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.24 : 110.25 = 63.31 : x
  2. Step 2: Convert to fraction form
    73.24/110.25 = 63.31/x
  3. Step 3: Cross multiply
    73.24x = 110.25 × 63.31
  4. Step 4: Simplify right side
    73.24x = 6,979.93
  5. Step 5: Solve for x
    x = 6,979.93/73.24
  6. Step 6: Final answer
    x = 95.30

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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.