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Finding the Fourth Proportional to 655.59, 982.16 and 582.69

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Solution

The fourth proportional to 655.59, 982.16 and 582.69 is: 872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.59 : 982.16 = 582.69 : x
  2. Step 2: Convert to fraction form
    655.59/982.16 = 582.69/x
  3. Step 3: Cross multiply
    655.59x = 982.16 × 582.69
  4. Step 4: Simplify right side
    655.59x = 572,289.90
  5. Step 5: Solve for x
    x = 572,289.90/655.59
  6. Step 6: Final answer
    x = 872.95

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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.