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Finding the Fourth Proportional to 250.01, 374.47 and 206.19

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Solution

The fourth proportional to 250.01, 374.47 and 206.19 is: 308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.01 : 374.47 = 206.19 : x
  2. Step 2: Convert to fraction form
    250.01/374.47 = 206.19/x
  3. Step 3: Cross multiply
    250.01x = 374.47 × 206.19
  4. Step 4: Simplify right side
    250.01x = 77,211.56
  5. Step 5: Solve for x
    x = 77,211.56/250.01
  6. Step 6: Final answer
    x = 308.83

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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.