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Finding the Fourth Proportional to 589.43, 884.33 and 355.43

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Solution

The fourth proportional to 589.43, 884.33 and 355.43 is: 533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.43 : 884.33 = 355.43 : x
  2. Step 2: Convert to fraction form
    589.43/884.33 = 355.43/x
  3. Step 3: Cross multiply
    589.43x = 884.33 × 355.43
  4. Step 4: Simplify right side
    589.43x = 314,319.18
  5. Step 5: Solve for x
    x = 314,319.18/589.43
  6. Step 6: Final answer
    x = 533.26

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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.