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Finding the Fourth Proportional to 323.87, 483.18 and 294.63

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Solution

The fourth proportional to 323.87, 483.18 and 294.63 is: 439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.87 : 483.18 = 294.63 : x
  2. Step 2: Convert to fraction form
    323.87/483.18 = 294.63/x
  3. Step 3: Cross multiply
    323.87x = 483.18 × 294.63
  4. Step 4: Simplify right side
    323.87x = 142,359.32
  5. Step 5: Solve for x
    x = 142,359.32/323.87
  6. Step 6: Final answer
    x = 439.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.