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Finding the Fourth Proportional to 265.92, 367.08 and 178.71

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Solution

The fourth proportional to 265.92, 367.08 and 178.71 is: 246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.92 : 367.08 = 178.71 : x
  2. Step 2: Convert to fraction form
    265.92/367.08 = 178.71/x
  3. Step 3: Cross multiply
    265.92x = 367.08 × 178.71
  4. Step 4: Simplify right side
    265.92x = 65,600.87
  5. Step 5: Solve for x
    x = 65,600.87/265.92
  6. Step 6: Final answer
    x = 246.69

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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.