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Finding the Fourth Proportional to 296.09, 408.56 and 179.63

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Solution

The fourth proportional to 296.09, 408.56 and 179.63 is: 247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.09 : 408.56 = 179.63 : x
  2. Step 2: Convert to fraction form
    296.09/408.56 = 179.63/x
  3. Step 3: Cross multiply
    296.09x = 408.56 × 179.63
  4. Step 4: Simplify right side
    296.09x = 73,386.69
  5. Step 5: Solve for x
    x = 73,386.69/296.09
  6. Step 6: Final answer
    x = 247.86

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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.