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Finding the Fourth Proportional to 282.49, 424.04 and 201.08

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Solution

The fourth proportional to 282.49, 424.04 and 201.08 is: 301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.49 : 424.04 = 201.08 : x
  2. Step 2: Convert to fraction form
    282.49/424.04 = 201.08/x
  3. Step 3: Cross multiply
    282.49x = 424.04 × 201.08
  4. Step 4: Simplify right side
    282.49x = 85,266.02
  5. Step 5: Solve for x
    x = 85,266.02/282.49
  6. Step 6: Final answer
    x = 301.84

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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.