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Finding the Fourth Proportional to 248.13, 372.29 and 236.95

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Solution

The fourth proportional to 248.13, 372.29 and 236.95 is: 355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.13 : 372.29 = 236.95 : x
  2. Step 2: Convert to fraction form
    248.13/372.29 = 236.95/x
  3. Step 3: Cross multiply
    248.13x = 372.29 × 236.95
  4. Step 4: Simplify right side
    248.13x = 88,212.00
  5. Step 5: Solve for x
    x = 88,212.00/248.13
  6. Step 6: Final answer
    x = 355.51

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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.