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Finding the Fourth Proportional to 263.15, 391.91 and 246.27

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Solution

The fourth proportional to 263.15, 391.91 and 246.27 is: 366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.15 : 391.91 = 246.27 : x
  2. Step 2: Convert to fraction form
    263.15/391.91 = 246.27/x
  3. Step 3: Cross multiply
    263.15x = 391.91 × 246.27
  4. Step 4: Simplify right side
    263.15x = 96,514.44
  5. Step 5: Solve for x
    x = 96,514.44/263.15
  6. Step 6: Final answer
    x = 366.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.