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Finding the Fourth Proportional to 376.32, 519.36 and 228.97

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Solution

The fourth proportional to 376.32, 519.36 and 228.97 is: 316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.32 : 519.36 = 228.97 : x
  2. Step 2: Convert to fraction form
    376.32/519.36 = 228.97/x
  3. Step 3: Cross multiply
    376.32x = 519.36 × 228.97
  4. Step 4: Simplify right side
    376.32x = 118,917.86
  5. Step 5: Solve for x
    x = 118,917.86/376.32
  6. Step 6: Final answer
    x = 316.01

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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.