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Finding the Fourth Proportional to 303.24, 419.03 and 229.43

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Solution

The fourth proportional to 303.24, 419.03 and 229.43 is: 317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.24 : 419.03 = 229.43 : x
  2. Step 2: Convert to fraction form
    303.24/419.03 = 229.43/x
  3. Step 3: Cross multiply
    303.24x = 419.03 × 229.43
  4. Step 4: Simplify right side
    303.24x = 96,138.05
  5. Step 5: Solve for x
    x = 96,138.05/303.24
  6. Step 6: Final answer
    x = 317.04

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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.