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Finding the Fourth Proportional to 566.55, 850.23 and 381.42

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Solution

The fourth proportional to 566.55, 850.23 and 381.42 is: 572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.55 : 850.23 = 381.42 : x
  2. Step 2: Convert to fraction form
    566.55/850.23 = 381.42/x
  3. Step 3: Cross multiply
    566.55x = 850.23 × 381.42
  4. Step 4: Simplify right side
    566.55x = 324,294.73
  5. Step 5: Solve for x
    x = 324,294.73/566.55
  6. Step 6: Final answer
    x = 572.40

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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.