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Finding the Fourth Proportional to 589.34, 884.28 and 281.36

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Solution

The fourth proportional to 589.34, 884.28 and 281.36 is: 422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.34 : 884.28 = 281.36 : x
  2. Step 2: Convert to fraction form
    589.34/884.28 = 281.36/x
  3. Step 3: Cross multiply
    589.34x = 884.28 × 281.36
  4. Step 4: Simplify right side
    589.34x = 248,801.02
  5. Step 5: Solve for x
    x = 248,801.02/589.34
  6. Step 6: Final answer
    x = 422.17

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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.