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Finding the Fourth Proportional to 197.27, 295.45 and 190.44

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Solution

The fourth proportional to 197.27, 295.45 and 190.44 is: 285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.27 : 295.45 = 190.44 : x
  2. Step 2: Convert to fraction form
    197.27/295.45 = 190.44/x
  3. Step 3: Cross multiply
    197.27x = 295.45 × 190.44
  4. Step 4: Simplify right side
    197.27x = 56,265.50
  5. Step 5: Solve for x
    x = 56,265.50/197.27
  6. Step 6: Final answer
    x = 285.22

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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.