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Finding the Fourth Proportional to 566.79, 849.89 and 220.22

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Solution

The fourth proportional to 566.79, 849.89 and 220.22 is: 330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.79 : 849.89 = 220.22 : x
  2. Step 2: Convert to fraction form
    566.79/849.89 = 220.22/x
  3. Step 3: Cross multiply
    566.79x = 849.89 × 220.22
  4. Step 4: Simplify right side
    566.79x = 187,157.43
  5. Step 5: Solve for x
    x = 187,157.43/566.79
  6. Step 6: Final answer
    x = 330.21

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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.