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Finding the Fourth Proportional to 301.25, 452.18 and 250.22

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Solution

The fourth proportional to 301.25, 452.18 and 250.22 is: 375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.25 : 452.18 = 250.22 : x
  2. Step 2: Convert to fraction form
    301.25/452.18 = 250.22/x
  3. Step 3: Cross multiply
    301.25x = 452.18 × 250.22
  4. Step 4: Simplify right side
    301.25x = 113,146.24
  5. Step 5: Solve for x
    x = 113,146.24/301.25
  6. Step 6: Final answer
    x = 375.59

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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.