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Finding the Fourth Proportional to 573.80, 863.79 and 522.77

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Solution

The fourth proportional to 573.80, 863.79 and 522.77 is: 786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.80 : 863.79 = 522.77 : x
  2. Step 2: Convert to fraction form
    573.80/863.79 = 522.77/x
  3. Step 3: Cross multiply
    573.80x = 863.79 × 522.77
  4. Step 4: Simplify right side
    573.80x = 451,559.18
  5. Step 5: Solve for x
    x = 451,559.18/573.80
  6. Step 6: Final answer
    x = 786.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.