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Finding the Fourth Proportional to 567.90, 850.23 and 404.28

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Solution

The fourth proportional to 567.90, 850.23 and 404.28 is: 605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.90 : 850.23 = 404.28 : x
  2. Step 2: Convert to fraction form
    567.90/850.23 = 404.28/x
  3. Step 3: Cross multiply
    567.90x = 850.23 × 404.28
  4. Step 4: Simplify right side
    567.90x = 343,730.98
  5. Step 5: Solve for x
    x = 343,730.98/567.90
  6. Step 6: Final answer
    x = 605.27

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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.