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Finding the Fourth Proportional to 589.17, 883.41 and 281.27

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Solution

The fourth proportional to 589.17, 883.41 and 281.27 is: 421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.17 : 883.41 = 281.27 : x
  2. Step 2: Convert to fraction form
    589.17/883.41 = 281.27/x
  3. Step 3: Cross multiply
    589.17x = 883.41 × 281.27
  4. Step 4: Simplify right side
    589.17x = 248,477.88
  5. Step 5: Solve for x
    x = 248,477.88/589.17
  6. Step 6: Final answer
    x = 421.74

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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.