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Finding the Fourth Proportional to 237.28, 354.08 and 235.48

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Solution

The fourth proportional to 237.28, 354.08 and 235.48 is: 351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.28 : 354.08 = 235.48 : x
  2. Step 2: Convert to fraction form
    237.28/354.08 = 235.48/x
  3. Step 3: Cross multiply
    237.28x = 354.08 × 235.48
  4. Step 4: Simplify right side
    237.28x = 83,378.76
  5. Step 5: Solve for x
    x = 83,378.76/237.28
  6. Step 6: Final answer
    x = 351.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.