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Finding the Fourth Proportional to 567.23, 850.66 and 220.30

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Solution

The fourth proportional to 567.23, 850.66 and 220.30 is: 330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.23 : 850.66 = 220.30 : x
  2. Step 2: Convert to fraction form
    567.23/850.66 = 220.30/x
  3. Step 3: Cross multiply
    567.23x = 850.66 × 220.30
  4. Step 4: Simplify right side
    567.23x = 187,397.72
  5. Step 5: Solve for x
    x = 187,397.72/567.23
  6. Step 6: Final answer
    x = 330.38

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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.