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Finding the Fourth Proportional to 296.11, 408.52 and 197.93

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Solution

The fourth proportional to 296.11, 408.52 and 197.93 is: 273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.11 : 408.52 = 197.93 : x
  2. Step 2: Convert to fraction form
    296.11/408.52 = 197.93/x
  3. Step 3: Cross multiply
    296.11x = 408.52 × 197.93
  4. Step 4: Simplify right side
    296.11x = 80,858.36
  5. Step 5: Solve for x
    x = 80,858.36/296.11
  6. Step 6: Final answer
    x = 273.07

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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.