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Finding the Fourth Proportional to 348.07, 521.67 and 224.41

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Solution

The fourth proportional to 348.07, 521.67 and 224.41 is: 336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.07 : 521.67 = 224.41 : x
  2. Step 2: Convert to fraction form
    348.07/521.67 = 224.41/x
  3. Step 3: Cross multiply
    348.07x = 521.67 × 224.41
  4. Step 4: Simplify right side
    348.07x = 117,067.96
  5. Step 5: Solve for x
    x = 117,067.96/348.07
  6. Step 6: Final answer
    x = 336.33

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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.