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Finding the Fourth Proportional to 348.95, 481.50 and 199.59

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Solution

The fourth proportional to 348.95, 481.50 and 199.59 is: 275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.95 : 481.50 = 199.59 : x
  2. Step 2: Convert to fraction form
    348.95/481.50 = 199.59/x
  3. Step 3: Cross multiply
    348.95x = 481.50 × 199.59
  4. Step 4: Simplify right side
    348.95x = 96,102.59
  5. Step 5: Solve for x
    x = 96,102.59/348.95
  6. Step 6: Final answer
    x = 275.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.