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Finding the Fourth Proportional to 577.25, 866.33 and 252.84

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Solution

The fourth proportional to 577.25, 866.33 and 252.84 is: 379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.25 : 866.33 = 252.84 : x
  2. Step 2: Convert to fraction form
    577.25/866.33 = 252.84/x
  3. Step 3: Cross multiply
    577.25x = 866.33 × 252.84
  4. Step 4: Simplify right side
    577.25x = 219,041.61
  5. Step 5: Solve for x
    x = 219,041.61/577.25
  6. Step 6: Final answer
    x = 379.46

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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.