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Finding the Fourth Proportional to 594.87, 820.90 and 329.32

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Solution

The fourth proportional to 594.87, 820.90 and 329.32 is: 454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.87 : 820.90 = 329.32 : x
  2. Step 2: Convert to fraction form
    594.87/820.90 = 329.32/x
  3. Step 3: Cross multiply
    594.87x = 820.90 × 329.32
  4. Step 4: Simplify right side
    594.87x = 270,333.04
  5. Step 5: Solve for x
    x = 270,333.04/594.87
  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.