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Finding the Fourth Proportional to 333.13, 495.21 and 323.29

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Solution

The fourth proportional to 333.13, 495.21 and 323.29 is: 480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.13 : 495.21 = 323.29 : x
  2. Step 2: Convert to fraction form
    333.13/495.21 = 323.29/x
  3. Step 3: Cross multiply
    333.13x = 495.21 × 323.29
  4. Step 4: Simplify right side
    333.13x = 160,094.82
  5. Step 5: Solve for x
    x = 160,094.82/333.13
  6. Step 6: Final answer
    x = 480.57

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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.