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Finding the Fourth Proportional to 344.82, 514.37 and 323.87

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Solution

The fourth proportional to 344.82, 514.37 and 323.87 is: 483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.82 : 514.37 = 323.87 : x
  2. Step 2: Convert to fraction form
    344.82/514.37 = 323.87/x
  3. Step 3: Cross multiply
    344.82x = 514.37 × 323.87
  4. Step 4: Simplify right side
    344.82x = 166,584.82
  5. Step 5: Solve for x
    x = 166,584.82/344.82
  6. Step 6: Final answer
    x = 483.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.