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Finding the Fourth Proportional to 473.32, 708.33 and 326.38

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Solution

The fourth proportional to 473.32, 708.33 and 326.38 is: 488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.32 : 708.33 = 326.38 : x
  2. Step 2: Convert to fraction form
    473.32/708.33 = 326.38/x
  3. Step 3: Cross multiply
    473.32x = 708.33 × 326.38
  4. Step 4: Simplify right side
    473.32x = 231,184.75
  5. Step 5: Solve for x
    x = 231,184.75/473.32
  6. Step 6: Final answer
    x = 488.43

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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.