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Finding the Fourth Proportional to 248.22, 372.15 and 150.74

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Solution

The fourth proportional to 248.22, 372.15 and 150.74 is: 226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.22 : 372.15 = 150.74 : x
  2. Step 2: Convert to fraction form
    248.22/372.15 = 150.74/x
  3. Step 3: Cross multiply
    248.22x = 372.15 × 150.74
  4. Step 4: Simplify right side
    248.22x = 56,098.07
  5. Step 5: Solve for x
    x = 56,098.07/248.22
  6. Step 6: Final answer
    x = 226.00

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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.