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Finding the Fourth Proportional to 236.46, 354.66 and 196.14

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Solution

The fourth proportional to 236.46, 354.66 and 196.14 is: 294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.46 : 354.66 = 196.14 : x
  2. Step 2: Convert to fraction form
    236.46/354.66 = 196.14/x
  3. Step 3: Cross multiply
    236.46x = 354.66 × 196.14
  4. Step 4: Simplify right side
    236.46x = 69,563.01
  5. Step 5: Solve for x
    x = 69,563.01/236.46
  6. Step 6: Final answer
    x = 294.19

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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.