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Finding the Fourth Proportional to 236.67, 355.11 and 150.18

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Solution

The fourth proportional to 236.67, 355.11 and 150.18 is: 225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.67 : 355.11 = 150.18 : x
  2. Step 2: Convert to fraction form
    236.67/355.11 = 150.18/x
  3. Step 3: Cross multiply
    236.67x = 355.11 × 150.18
  4. Step 4: Simplify right side
    236.67x = 53,330.42
  5. Step 5: Solve for x
    x = 53,330.42/236.67
  6. Step 6: Final answer
    x = 225.34

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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.