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Finding the Fourth Proportional to 373.56, 519.09 and 368.97

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Solution

The fourth proportional to 373.56, 519.09 and 368.97 is: 512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.56 : 519.09 = 368.97 : x
  2. Step 2: Convert to fraction form
    373.56/519.09 = 368.97/x
  3. Step 3: Cross multiply
    373.56x = 519.09 × 368.97
  4. Step 4: Simplify right side
    373.56x = 191,528.64
  5. Step 5: Solve for x
    x = 191,528.64/373.56
  6. Step 6: Final answer
    x = 512.71

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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.