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Finding the Fourth Proportional to 237.47, 353.36 and 236.66

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Solution

The fourth proportional to 237.47, 353.36 and 236.66 is: 352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.47 : 353.36 = 236.66 : x
  2. Step 2: Convert to fraction form
    237.47/353.36 = 236.66/x
  3. Step 3: Cross multiply
    237.47x = 353.36 × 236.66
  4. Step 4: Simplify right side
    237.47x = 83,627.65
  5. Step 5: Solve for x
    x = 83,627.65/237.47
  6. Step 6: Final answer
    x = 352.16

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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.