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Finding the Fourth Proportional to 199.83, 276.14 and 150.62

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Solution

The fourth proportional to 199.83, 276.14 and 150.62 is: 208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.83 : 276.14 = 150.62 : x
  2. Step 2: Convert to fraction form
    199.83/276.14 = 150.62/x
  3. Step 3: Cross multiply
    199.83x = 276.14 × 150.62
  4. Step 4: Simplify right side
    199.83x = 41,590.76
  5. Step 5: Solve for x
    x = 41,590.76/199.83
  6. Step 6: Final answer
    x = 208.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.