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Finding the Fourth Proportional to 344.92, 514.39 and 306.36

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Solution

The fourth proportional to 344.92, 514.39 and 306.36 is: 456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.92 : 514.39 = 306.36 : x
  2. Step 2: Convert to fraction form
    344.92/514.39 = 306.36/x
  3. Step 3: Cross multiply
    344.92x = 514.39 × 306.36
  4. Step 4: Simplify right side
    344.92x = 157,588.52
  5. Step 5: Solve for x
    x = 157,588.52/344.92
  6. Step 6: Final answer
    x = 456.88

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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.