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Finding the Fourth Proportional to 236.98, 355.47 and 164.62

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Solution

The fourth proportional to 236.98, 355.47 and 164.62 is: 246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.98 : 355.47 = 164.62 : x
  2. Step 2: Convert to fraction form
    236.98/355.47 = 164.62/x
  3. Step 3: Cross multiply
    236.98x = 355.47 × 164.62
  4. Step 4: Simplify right side
    236.98x = 58,517.47
  5. Step 5: Solve for x
    x = 58,517.47/236.98
  6. Step 6: Final answer
    x = 246.93

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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.