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Finding the Fourth Proportional to 2,000.22, 3,000.25 and 539.34

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Solution

The fourth proportional to 2,000.22, 3,000.25 and 539.34 is: 808.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.22 : 3,000.25 = 539.34 : x
  2. Step 2: Convert to fraction form
    2,000.22/3,000.25 = 539.34/x
  3. Step 3: Cross multiply
    2,000.22x = 3,000.25 × 539.34
  4. Step 4: Simplify right side
    2,000.22x = 1,618,154.84
  5. Step 5: Solve for x
    x = 1,618,154.84/2,000.22
  6. Step 6: Final answer
    x = 808.99

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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.