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Finding the Fourth Proportional to 198.36, 295.26 and 197.32

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Solution

The fourth proportional to 198.36, 295.26 and 197.32 is: 293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.36 : 295.26 = 197.32 : x
  2. Step 2: Convert to fraction form
    198.36/295.26 = 197.32/x
  3. Step 3: Cross multiply
    198.36x = 295.26 × 197.32
  4. Step 4: Simplify right side
    198.36x = 58,260.70
  5. Step 5: Solve for x
    x = 58,260.70/198.36
  6. Step 6: Final answer
    x = 293.71

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.