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Finding the Fourth Proportional to 197.16, 295.33 and 160.43

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Solution

The fourth proportional to 197.16, 295.33 and 160.43 is: 240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.16 : 295.33 = 160.43 : x
  2. Step 2: Convert to fraction form
    197.16/295.33 = 160.43/x
  3. Step 3: Cross multiply
    197.16x = 295.33 × 160.43
  4. Step 4: Simplify right side
    197.16x = 47,380.55
  5. Step 5: Solve for x
    x = 47,380.55/197.16
  6. Step 6: Final answer
    x = 240.32

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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.