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Finding the Fourth Proportional to 110.14, 151.75 and 73.23

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Solution

The fourth proportional to 110.14, 151.75 and 73.23 is: 100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.14 : 151.75 = 73.23 : x
  2. Step 2: Convert to fraction form
    110.14/151.75 = 73.23/x
  3. Step 3: Cross multiply
    110.14x = 151.75 × 73.23
  4. Step 4: Simplify right side
    110.14x = 11,112.65
  5. Step 5: Solve for x
    x = 11,112.65/110.14
  6. Step 6: Final answer
    x = 100.90

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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.