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Finding the Fourth Proportional to 282.04, 422.59 and 271.37

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Solution

The fourth proportional to 282.04, 422.59 and 271.37 is: 406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.04 : 422.59 = 271.37 : x
  2. Step 2: Convert to fraction form
    282.04/422.59 = 271.37/x
  3. Step 3: Cross multiply
    282.04x = 422.59 × 271.37
  4. Step 4: Simplify right side
    282.04x = 114,678.63
  5. Step 5: Solve for x
    x = 114,678.63/282.04
  6. Step 6: Final answer
    x = 406.61

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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.