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Finding the Fourth Proportional to 348.54, 481.04 and 265.49

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Solution

The fourth proportional to 348.54, 481.04 and 265.49 is: 366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.54 : 481.04 = 265.49 : x
  2. Step 2: Convert to fraction form
    348.54/481.04 = 265.49/x
  3. Step 3: Cross multiply
    348.54x = 481.04 × 265.49
  4. Step 4: Simplify right side
    348.54x = 127,708.24
  5. Step 5: Solve for x
    x = 127,708.24/348.54
  6. Step 6: Final answer
    x = 366.41

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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.