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Finding the Fourth Proportional to 573.69, 863.66 and 522.66

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Solution

The fourth proportional to 573.69, 863.66 and 522.66 is: 786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.69 : 863.66 = 522.66 : x
  2. Step 2: Convert to fraction form
    573.69/863.66 = 522.66/x
  3. Step 3: Cross multiply
    573.69x = 863.66 × 522.66
  4. Step 4: Simplify right side
    573.69x = 451,405.08
  5. Step 5: Solve for x
    x = 451,405.08/573.69
  6. Step 6: Final answer
    x = 786.84

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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.