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Finding the Fourth Proportional to 197.37, 272.67 and 174.12

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Solution

The fourth proportional to 197.37, 272.67 and 174.12 is: 240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.37 : 272.67 = 174.12 : x
  2. Step 2: Convert to fraction form
    197.37/272.67 = 174.12/x
  3. Step 3: Cross multiply
    197.37x = 272.67 × 174.12
  4. Step 4: Simplify right side
    197.37x = 47,477.30
  5. Step 5: Solve for x
    x = 47,477.30/197.37
  6. Step 6: Final answer
    x = 240.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.