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Finding the Fourth Proportional to 244.25, 335.26 and 215.99

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Solution

The fourth proportional to 244.25, 335.26 and 215.99 is: 296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.25 : 335.26 = 215.99 : x
  2. Step 2: Convert to fraction form
    244.25/335.26 = 215.99/x
  3. Step 3: Cross multiply
    244.25x = 335.26 × 215.99
  4. Step 4: Simplify right side
    244.25x = 72,413.11
  5. Step 5: Solve for x
    x = 72,413.11/244.25
  6. Step 6: Final answer
    x = 296.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.