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Finding the Fourth Proportional to 347.84, 480.84 and 327.44

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Solution

The fourth proportional to 347.84, 480.84 and 327.44 is: 452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.84 : 480.84 = 327.44 : x
  2. Step 2: Convert to fraction form
    347.84/480.84 = 327.44/x
  3. Step 3: Cross multiply
    347.84x = 480.84 × 327.44
  4. Step 4: Simplify right side
    347.84x = 157,446.25
  5. Step 5: Solve for x
    x = 157,446.25/347.84
  6. Step 6: Final answer
    x = 452.64

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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.