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Finding the Fourth Proportional to 263.88, 395.29 and 248.89

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Solution

The fourth proportional to 263.88, 395.29 and 248.89 is: 372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.88 : 395.29 = 248.89 : x
  2. Step 2: Convert to fraction form
    263.88/395.29 = 248.89/x
  3. Step 3: Cross multiply
    263.88x = 395.29 × 248.89
  4. Step 4: Simplify right side
    263.88x = 98,383.73
  5. Step 5: Solve for x
    x = 98,383.73/263.88
  6. Step 6: Final answer
    x = 372.84

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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.