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Finding the Fourth Proportional to 566.50, 850.07 and 442.75

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Solution

The fourth proportional to 566.50, 850.07 and 442.75 is: 664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.50 : 850.07 = 442.75 : x
  2. Step 2: Convert to fraction form
    566.50/850.07 = 442.75/x
  3. Step 3: Cross multiply
    566.50x = 850.07 × 442.75
  4. Step 4: Simplify right side
    566.50x = 376,366.28
  5. Step 5: Solve for x
    x = 376,366.28/566.50
  6. Step 6: Final answer
    x = 664.38

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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.