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Finding the Fourth Proportional to 589.32, 884.26 and 383.84

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Solution

The fourth proportional to 589.32, 884.26 and 383.84 is: 575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.32 : 884.26 = 383.84 : x
  2. Step 2: Convert to fraction form
    589.32/884.26 = 383.84/x
  3. Step 3: Cross multiply
    589.32x = 884.26 × 383.84
  4. Step 4: Simplify right side
    589.32x = 339,414.36
  5. Step 5: Solve for x
    x = 339,414.36/589.32
  6. Step 6: Final answer
    x = 575.94

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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.