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Finding the Fourth Proportional to 196.06, 270.24 and 187.96

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Solution

The fourth proportional to 196.06, 270.24 and 187.96 is: 259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.06 : 270.24 = 187.96 : x
  2. Step 2: Convert to fraction form
    196.06/270.24 = 187.96/x
  3. Step 3: Cross multiply
    196.06x = 270.24 × 187.96
  4. Step 4: Simplify right side
    196.06x = 50,794.31
  5. Step 5: Solve for x
    x = 50,794.31/196.06
  6. Step 6: Final answer
    x = 259.08

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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.