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Finding the Fourth Proportional to 237.44, 353.68 and 211.52

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Solution

The fourth proportional to 237.44, 353.68 and 211.52 is: 315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.44 : 353.68 = 211.52 : x
  2. Step 2: Convert to fraction form
    237.44/353.68 = 211.52/x
  3. Step 3: Cross multiply
    237.44x = 353.68 × 211.52
  4. Step 4: Simplify right side
    237.44x = 74,810.39
  5. Step 5: Solve for x
    x = 74,810.39/237.44
  6. Step 6: Final answer
    x = 315.07

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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.