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Finding the Fourth Proportional to 200.13, 299.68 and 181.63

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Solution

The fourth proportional to 200.13, 299.68 and 181.63 is: 271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.13 : 299.68 = 181.63 : x
  2. Step 2: Convert to fraction form
    200.13/299.68 = 181.63/x
  3. Step 3: Cross multiply
    200.13x = 299.68 × 181.63
  4. Step 4: Simplify right side
    200.13x = 54,429.97
  5. Step 5: Solve for x
    x = 54,429.97/200.13
  6. Step 6: Final answer
    x = 271.98

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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.