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Finding the Fourth Proportional to 269.06, 403.04 and 234.86

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Solution

The fourth proportional to 269.06, 403.04 and 234.86 is: 351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.06 : 403.04 = 234.86 : x
  2. Step 2: Convert to fraction form
    269.06/403.04 = 234.86/x
  3. Step 3: Cross multiply
    269.06x = 403.04 × 234.86
  4. Step 4: Simplify right side
    269.06x = 94,656.55
  5. Step 5: Solve for x
    x = 94,656.55/269.06
  6. Step 6: Final answer
    x = 351.81

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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.