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Finding the Fourth Proportional to 573.67, 860.94 and 539.65

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Solution

The fourth proportional to 573.67, 860.94 and 539.65 is: 809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.67 : 860.94 = 539.65 : x
  2. Step 2: Convert to fraction form
    573.67/860.94 = 539.65/x
  3. Step 3: Cross multiply
    573.67x = 860.94 × 539.65
  4. Step 4: Simplify right side
    573.67x = 464,606.27
  5. Step 5: Solve for x
    x = 464,606.27/573.67
  6. Step 6: Final answer
    x = 809.88

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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.