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Finding the Fourth Proportional to 348.62, 484.43 and 344.82

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Solution

The fourth proportional to 348.62, 484.43 and 344.82 is: 479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.62 : 484.43 = 344.82 : x
  2. Step 2: Convert to fraction form
    348.62/484.43 = 344.82/x
  3. Step 3: Cross multiply
    348.62x = 484.43 × 344.82
  4. Step 4: Simplify right side
    348.62x = 167,041.25
  5. Step 5: Solve for x
    x = 167,041.25/348.62
  6. Step 6: Final answer
    x = 479.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.