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Finding the Fourth Proportional to 249.33, 374.16 and 236.28

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Solution

The fourth proportional to 249.33, 374.16 and 236.28 is: 354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.33 : 374.16 = 236.28 : x
  2. Step 2: Convert to fraction form
    249.33/374.16 = 236.28/x
  3. Step 3: Cross multiply
    249.33x = 374.16 × 236.28
  4. Step 4: Simplify right side
    249.33x = 88,406.52
  5. Step 5: Solve for x
    x = 88,406.52/249.33
  6. Step 6: Final answer
    x = 354.58

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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.