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Finding the Fourth Proportional to 566.89, 850.77 and 515.86

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Solution

The fourth proportional to 566.89, 850.77 and 515.86 is: 774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.89 : 850.77 = 515.86 : x
  2. Step 2: Convert to fraction form
    566.89/850.77 = 515.86/x
  3. Step 3: Cross multiply
    566.89x = 850.77 × 515.86
  4. Step 4: Simplify right side
    566.89x = 438,876.09
  5. Step 5: Solve for x
    x = 438,876.09/566.89
  6. Step 6: Final answer
    x = 774.19

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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.