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Finding the Fourth Proportional to 197.56, 272.62 and 110.23

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Solution

The fourth proportional to 197.56, 272.62 and 110.23 is: 152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.56 : 272.62 = 110.23 : x
  2. Step 2: Convert to fraction form
    197.56/272.62 = 110.23/x
  3. Step 3: Cross multiply
    197.56x = 272.62 × 110.23
  4. Step 4: Simplify right side
    197.56x = 30,050.90
  5. Step 5: Solve for x
    x = 30,050.90/197.56
  6. Step 6: Final answer
    x = 152.11

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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.