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Finding the Fourth Proportional to 197.61, 295.04 and 185.31

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Solution

The fourth proportional to 197.61, 295.04 and 185.31 is: 276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.61 : 295.04 = 185.31 : x
  2. Step 2: Convert to fraction form
    197.61/295.04 = 185.31/x
  3. Step 3: Cross multiply
    197.61x = 295.04 × 185.31
  4. Step 4: Simplify right side
    197.61x = 54,673.12
  5. Step 5: Solve for x
    x = 54,673.12/197.61
  6. Step 6: Final answer
    x = 276.68

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Why These Related Problems?

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