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Finding the Fourth Proportional to 655.22, 982.19 and 244.07

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Solution

The fourth proportional to 655.22, 982.19 and 244.07 is: 365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.22 : 982.19 = 244.07 : x
  2. Step 2: Convert to fraction form
    655.22/982.19 = 244.07/x
  3. Step 3: Cross multiply
    655.22x = 982.19 × 244.07
  4. Step 4: Simplify right side
    655.22x = 239,716.98
  5. Step 5: Solve for x
    x = 239,716.98/655.22
  6. Step 6: Final answer
    x = 365.86

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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.