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Finding the Fourth Proportional to 344.92, 518.41 and 303.92

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Solution

The fourth proportional to 344.92, 518.41 and 303.92 is: 456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.92 : 518.41 = 303.92 : x
  2. Step 2: Convert to fraction form
    344.92/518.41 = 303.92/x
  3. Step 3: Cross multiply
    344.92x = 518.41 × 303.92
  4. Step 4: Simplify right side
    344.92x = 157,555.17
  5. Step 5: Solve for x
    x = 157,555.17/344.92
  6. Step 6: Final answer
    x = 456.79

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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.