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Finding the Fourth Proportional to 575.73, 863.50 and 164.88

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Solution

The fourth proportional to 575.73, 863.50 and 164.88 is: 247.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.73 : 863.50 = 164.88 : x
  2. Step 2: Convert to fraction form
    575.73/863.50 = 164.88/x
  3. Step 3: Cross multiply
    575.73x = 863.50 × 164.88
  4. Step 4: Simplify right side
    575.73x = 142,373.88
  5. Step 5: Solve for x
    x = 142,373.88/575.73
  6. Step 6: Final answer
    x = 247.29

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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.