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Finding the Fourth Proportional to 248.25, 372.04 and 150.43

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Solution

The fourth proportional to 248.25, 372.04 and 150.43 is: 225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.25 : 372.04 = 150.43 : x
  2. Step 2: Convert to fraction form
    248.25/372.04 = 150.43/x
  3. Step 3: Cross multiply
    248.25x = 372.04 × 150.43
  4. Step 4: Simplify right side
    248.25x = 55,965.98
  5. Step 5: Solve for x
    x = 55,965.98/248.25
  6. Step 6: Final answer
    x = 225.44

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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.