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Finding the Fourth Proportional to 376.43, 559.62 and 350.51

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Solution

The fourth proportional to 376.43, 559.62 and 350.51 is: 521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.43 : 559.62 = 350.51 : x
  2. Step 2: Convert to fraction form
    376.43/559.62 = 350.51/x
  3. Step 3: Cross multiply
    376.43x = 559.62 × 350.51
  4. Step 4: Simplify right side
    376.43x = 196,152.41
  5. Step 5: Solve for x
    x = 196,152.41/376.43
  6. Step 6: Final answer
    x = 521.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.