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Finding the Fourth Proportional to 269.26, 403.98 and 182.68

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Solution

The fourth proportional to 269.26, 403.98 and 182.68 is: 274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.26 : 403.98 = 182.68 : x
  2. Step 2: Convert to fraction form
    269.26/403.98 = 182.68/x
  3. Step 3: Cross multiply
    269.26x = 403.98 × 182.68
  4. Step 4: Simplify right side
    269.26x = 73,799.07
  5. Step 5: Solve for x
    x = 73,799.07/269.26
  6. Step 6: Final answer
    x = 274.08

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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.