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Finding the Fourth Proportional to 196.41, 271.01 and 112.37

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Solution

The fourth proportional to 196.41, 271.01 and 112.37 is: 155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.41 : 271.01 = 112.37 : x
  2. Step 2: Convert to fraction form
    196.41/271.01 = 112.37/x
  3. Step 3: Cross multiply
    196.41x = 271.01 × 112.37
  4. Step 4: Simplify right side
    196.41x = 30,453.84
  5. Step 5: Solve for x
    x = 30,453.84/196.41
  6. Step 6: Final answer
    x = 155.05

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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.