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Finding the Fourth Proportional to 376.32, 517.47 and 364.80

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Solution

The fourth proportional to 376.32, 517.47 and 364.80 is: 501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.32 : 517.47 = 364.80 : x
  2. Step 2: Convert to fraction form
    376.32/517.47 = 364.80/x
  3. Step 3: Cross multiply
    376.32x = 517.47 × 364.80
  4. Step 4: Simplify right side
    376.32x = 188,773.06
  5. Step 5: Solve for x
    x = 188,773.06/376.32
  6. Step 6: Final answer
    x = 501.63

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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.