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Finding the Fourth Proportional to 336.07, 503.43 and 199.18

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Solution

The fourth proportional to 336.07, 503.43 and 199.18 is: 298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.07 : 503.43 = 199.18 : x
  2. Step 2: Convert to fraction form
    336.07/503.43 = 199.18/x
  3. Step 3: Cross multiply
    336.07x = 503.43 × 199.18
  4. Step 4: Simplify right side
    336.07x = 100,273.19
  5. Step 5: Solve for x
    x = 100,273.19/336.07
  6. Step 6: Final answer
    x = 298.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.