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Finding the Fourth Proportional to 348.61, 481.06 and 201.23

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Solution

The fourth proportional to 348.61, 481.06 and 201.23 is: 277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.61 : 481.06 = 201.23 : x
  2. Step 2: Convert to fraction form
    348.61/481.06 = 201.23/x
  3. Step 3: Cross multiply
    348.61x = 481.06 × 201.23
  4. Step 4: Simplify right side
    348.61x = 96,803.20
  5. Step 5: Solve for x
    x = 96,803.20/348.61
  6. Step 6: Final answer
    x = 277.69

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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.