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Finding the Fourth Proportional to 609, 845.04 and 584.64

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Solution

The fourth proportional to 609, 845.04 and 584.64 is: 811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609 : 845.04 = 584.64 : x
  2. Step 2: Convert to fraction form
    609/845.04 = 584.64/x
  3. Step 3: Cross multiply
    609x = 845.04 × 584.64
  4. Step 4: Simplify right side
    609x = 494,044.19
  5. Step 5: Solve for x
    x = 494,044.19/609
  6. Step 6: Final answer
    x = 811.24

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.