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Finding the Fourth Proportional to 269.33, 404.12 and 187.99

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Solution

The fourth proportional to 269.33, 404.12 and 187.99 is: 282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.33 : 404.12 = 187.99 : x
  2. Step 2: Convert to fraction form
    269.33/404.12 = 187.99/x
  3. Step 3: Cross multiply
    269.33x = 404.12 × 187.99
  4. Step 4: Simplify right side
    269.33x = 75,969.98
  5. Step 5: Solve for x
    x = 75,969.98/269.33
  6. Step 6: Final answer
    x = 282.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.