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Finding the Fourth Proportional to 263.91, 396.27 and 235.29

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Solution

The fourth proportional to 263.91, 396.27 and 235.29 is: 353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.91 : 396.27 = 235.29 : x
  2. Step 2: Convert to fraction form
    263.91/396.27 = 235.29/x
  3. Step 3: Cross multiply
    263.91x = 396.27 × 235.29
  4. Step 4: Simplify right side
    263.91x = 93,238.37
  5. Step 5: Solve for x
    x = 93,238.37/263.91
  6. Step 6: Final answer
    x = 353.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.