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Finding the Fourth Proportional to 200.11, 299.48 and 159.10

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Solution

The fourth proportional to 200.11, 299.48 and 159.10 is: 238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.11 : 299.48 = 159.10 : x
  2. Step 2: Convert to fraction form
    200.11/299.48 = 159.10/x
  3. Step 3: Cross multiply
    200.11x = 299.48 × 159.10
  4. Step 4: Simplify right side
    200.11x = 47,647.27
  5. Step 5: Solve for x
    x = 47,647.27/200.11
  6. Step 6: Final answer
    x = 238.11

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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.