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Finding the Fourth Proportional to 584.87, 801.40 and 579.47

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Solution

The fourth proportional to 584.87, 801.40 and 579.47 is: 794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.87 : 801.40 = 579.47 : x
  2. Step 2: Convert to fraction form
    584.87/801.40 = 579.47/x
  3. Step 3: Cross multiply
    584.87x = 801.40 × 579.47
  4. Step 4: Simplify right side
    584.87x = 464,387.26
  5. Step 5: Solve for x
    x = 464,387.26/584.87
  6. Step 6: Final answer
    x = 794.00

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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.