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Finding the Fourth Proportional to 237.97, 356.33 and 165.07

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Solution

The fourth proportional to 237.97, 356.33 and 165.07 is: 247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.97 : 356.33 = 165.07 : x
  2. Step 2: Convert to fraction form
    237.97/356.33 = 165.07/x
  3. Step 3: Cross multiply
    237.97x = 356.33 × 165.07
  4. Step 4: Simplify right side
    237.97x = 58,820.25
  5. Step 5: Solve for x
    x = 58,820.25/237.97
  6. Step 6: Final answer
    x = 247.17

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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.