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Finding the Fourth Proportional to 709.26, 977.76 and 584.73

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Solution

The fourth proportional to 709.26, 977.76 and 584.73 is: 806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    709.26 : 977.76 = 584.73 : x
  2. Step 2: Convert to fraction form
    709.26/977.76 = 584.73/x
  3. Step 3: Cross multiply
    709.26x = 977.76 × 584.73
  4. Step 4: Simplify right side
    709.26x = 571,725.60
  5. Step 5: Solve for x
    x = 571,725.60/709.26
  6. Step 6: Final answer
    x = 806.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.