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Finding the Fourth Proportional to 566.98, 850.39 and 220.48

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Solution

The fourth proportional to 566.98, 850.39 and 220.48 is: 330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.98 : 850.39 = 220.48 : x
  2. Step 2: Convert to fraction form
    566.98/850.39 = 220.48/x
  3. Step 3: Cross multiply
    566.98x = 850.39 × 220.48
  4. Step 4: Simplify right side
    566.98x = 187,488.63
  5. Step 5: Solve for x
    x = 187,488.63/566.98
  6. Step 6: Final answer
    x = 330.68

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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.