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Finding the Fourth Proportional to 333.68, 500.49 and 323.65

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Solution

The fourth proportional to 333.68, 500.49 and 323.65 is: 485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.68 : 500.49 = 323.65 : x
  2. Step 2: Convert to fraction form
    333.68/500.49 = 323.65/x
  3. Step 3: Cross multiply
    333.68x = 500.49 × 323.65
  4. Step 4: Simplify right side
    333.68x = 161,982.34
  5. Step 5: Solve for x
    x = 161,982.34/333.68
  6. Step 6: Final answer
    x = 485.45

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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.