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Finding the Fourth Proportional to 655.76, 982.62 and 244.79

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Solution

The fourth proportional to 655.76, 982.62 and 244.79 is: 366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.76 : 982.62 = 244.79 : x
  2. Step 2: Convert to fraction form
    655.76/982.62 = 244.79/x
  3. Step 3: Cross multiply
    655.76x = 982.62 × 244.79
  4. Step 4: Simplify right side
    655.76x = 240,530.64
  5. Step 5: Solve for x
    x = 240,530.64/655.76
  6. Step 6: Final answer
    x = 366.80

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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.