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Finding the Fourth Proportional to 269.08, 402.54 and 235.96

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Solution

The fourth proportional to 269.08, 402.54 and 235.96 is: 352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.08 : 402.54 = 235.96 : x
  2. Step 2: Convert to fraction form
    269.08/402.54 = 235.96/x
  3. Step 3: Cross multiply
    269.08x = 402.54 × 235.96
  4. Step 4: Simplify right side
    269.08x = 94,983.34
  5. Step 5: Solve for x
    x = 94,983.34/269.08
  6. Step 6: Final answer
    x = 352.99

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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.