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Finding the Fourth Proportional to 566.74, 850.16 and 220.16

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Solution

The fourth proportional to 566.74, 850.16 and 220.16 is: 330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.74 : 850.16 = 220.16 : x
  2. Step 2: Convert to fraction form
    566.74/850.16 = 220.16/x
  3. Step 3: Cross multiply
    566.74x = 850.16 × 220.16
  4. Step 4: Simplify right side
    566.74x = 187,171.23
  5. Step 5: Solve for x
    x = 187,171.23/566.74
  6. Step 6: Final answer
    x = 330.26

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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.