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Finding the Fourth Proportional to 248.14, 372.21 and 233.11

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Solution

The fourth proportional to 248.14, 372.21 and 233.11 is: 349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.14 : 372.21 = 233.11 : x
  2. Step 2: Convert to fraction form
    248.14/372.21 = 233.11/x
  3. Step 3: Cross multiply
    248.14x = 372.21 × 233.11
  4. Step 4: Simplify right side
    248.14x = 86,765.01
  5. Step 5: Solve for x
    x = 86,765.01/248.14
  6. Step 6: Final answer
    x = 349.65

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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.