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Finding the Fourth Proportional to 373.39, 514.62 and 323.49

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Solution

The fourth proportional to 373.39, 514.62 and 323.49 is: 445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.39 : 514.62 = 323.49 : x
  2. Step 2: Convert to fraction form
    373.39/514.62 = 323.49/x
  3. Step 3: Cross multiply
    373.39x = 514.62 × 323.49
  4. Step 4: Simplify right side
    373.39x = 166,476.35
  5. Step 5: Solve for x
    x = 166,476.35/373.39
  6. Step 6: Final answer
    x = 445.85

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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.