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Finding the Fourth Proportional to 567.44, 851.38 and 259.52

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Solution

The fourth proportional to 567.44, 851.38 and 259.52 is: 389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.44 : 851.38 = 259.52 : x
  2. Step 2: Convert to fraction form
    567.44/851.38 = 259.52/x
  3. Step 3: Cross multiply
    567.44x = 851.38 × 259.52
  4. Step 4: Simplify right side
    567.44x = 220,950.14
  5. Step 5: Solve for x
    x = 220,950.14/567.44
  6. Step 6: Final answer
    x = 389.38

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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.