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Finding the Fourth Proportional to 197.74, 294.94 and 167.10

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Solution

The fourth proportional to 197.74, 294.94 and 167.10 is: 249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.74 : 294.94 = 167.10 : x
  2. Step 2: Convert to fraction form
    197.74/294.94 = 167.10/x
  3. Step 3: Cross multiply
    197.74x = 294.94 × 167.10
  4. Step 4: Simplify right side
    197.74x = 49,283.58
  5. Step 5: Solve for x
    x = 49,283.58/197.74
  6. Step 6: Final answer
    x = 249.23

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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.