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Finding the Fourth Proportional to 594.84, 820.89 and 329.30

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Solution

The fourth proportional to 594.84, 820.89 and 329.30 is: 454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.84 : 820.89 = 329.30 : x
  2. Step 2: Convert to fraction form
    594.84/820.89 = 329.30/x
  3. Step 3: Cross multiply
    594.84x = 820.89 × 329.30
  4. Step 4: Simplify right side
    594.84x = 270,319.08
  5. Step 5: Solve for x
    x = 270,319.08/594.84
  6. Step 6: Final answer
    x = 454.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.