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Finding the Fourth Proportional to 366.12, 548.37 and 293.63

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Solution

The fourth proportional to 366.12, 548.37 and 293.63 is: 439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.12 : 548.37 = 293.63 : x
  2. Step 2: Convert to fraction form
    366.12/548.37 = 293.63/x
  3. Step 3: Cross multiply
    366.12x = 548.37 × 293.63
  4. Step 4: Simplify right side
    366.12x = 161,015.14
  5. Step 5: Solve for x
    x = 161,015.14/366.12
  6. Step 6: Final answer
    x = 439.79

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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.