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Finding the Fourth Proportional to 568, 852.27 and 259.84

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Solution

The fourth proportional to 568, 852.27 and 259.84 is: 389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568 : 852.27 = 259.84 : x
  2. Step 2: Convert to fraction form
    568/852.27 = 259.84/x
  3. Step 3: Cross multiply
    568x = 852.27 × 259.84
  4. Step 4: Simplify right side
    568x = 221,453.84
  5. Step 5: Solve for x
    x = 221,453.84/568
  6. Step 6: Final answer
    x = 389.88

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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.