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Finding the Fourth Proportional to 200.91, 301.87 and 162.46

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Solution

The fourth proportional to 200.91, 301.87 and 162.46 is: 244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.91 : 301.87 = 162.46 : x
  2. Step 2: Convert to fraction form
    200.91/301.87 = 162.46/x
  3. Step 3: Cross multiply
    200.91x = 301.87 × 162.46
  4. Step 4: Simplify right side
    200.91x = 49,041.80
  5. Step 5: Solve for x
    x = 49,041.80/200.91
  6. Step 6: Final answer
    x = 244.10

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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.