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Finding the Fourth Proportional to 206.03, 308.82 and 150.30

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Solution

The fourth proportional to 206.03, 308.82 and 150.30 is: 225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.03 : 308.82 = 150.30 : x
  2. Step 2: Convert to fraction form
    206.03/308.82 = 150.30/x
  3. Step 3: Cross multiply
    206.03x = 308.82 × 150.30
  4. Step 4: Simplify right side
    206.03x = 46,415.65
  5. Step 5: Solve for x
    x = 46,415.65/206.03
  6. Step 6: Final answer
    x = 225.29

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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.