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Finding the Fourth Proportional to 269.43, 373.21 and 263.96

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Solution

The fourth proportional to 269.43, 373.21 and 263.96 is: 365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.43 : 373.21 = 263.96 : x
  2. Step 2: Convert to fraction form
    269.43/373.21 = 263.96/x
  3. Step 3: Cross multiply
    269.43x = 373.21 × 263.96
  4. Step 4: Simplify right side
    269.43x = 98,512.51
  5. Step 5: Solve for x
    x = 98,512.51/269.43
  6. Step 6: Final answer
    x = 365.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.