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Finding the Fourth Proportional to 589.08, 882.78 and 329.16

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Solution

The fourth proportional to 589.08, 882.78 and 329.16 is: 493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.08 : 882.78 = 329.16 : x
  2. Step 2: Convert to fraction form
    589.08/882.78 = 329.16/x
  3. Step 3: Cross multiply
    589.08x = 882.78 × 329.16
  4. Step 4: Simplify right side
    589.08x = 290,575.86
  5. Step 5: Solve for x
    x = 290,575.86/589.08
  6. Step 6: Final answer
    x = 493.27

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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.