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Finding the Fourth Proportional to 250.24, 375.53 and 113.22

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Solution

The fourth proportional to 250.24, 375.53 and 113.22 is: 169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.24 : 375.53 = 113.22 : x
  2. Step 2: Convert to fraction form
    250.24/375.53 = 113.22/x
  3. Step 3: Cross multiply
    250.24x = 375.53 × 113.22
  4. Step 4: Simplify right side
    250.24x = 42,517.51
  5. Step 5: Solve for x
    x = 42,517.51/250.24
  6. Step 6: Final answer
    x = 169.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.