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Finding the Fourth Proportional to 584.36, 876.14 and 422.36

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Solution

The fourth proportional to 584.36, 876.14 and 422.36 is: 633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.36 : 876.14 = 422.36 : x
  2. Step 2: Convert to fraction form
    584.36/876.14 = 422.36/x
  3. Step 3: Cross multiply
    584.36x = 876.14 × 422.36
  4. Step 4: Simplify right side
    584.36x = 370,046.49
  5. Step 5: Solve for x
    x = 370,046.49/584.36
  6. Step 6: Final answer
    x = 633.25

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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.