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Finding the Fourth Proportional to 341.23, 467.62 and 308.43

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Solution

The fourth proportional to 341.23, 467.62 and 308.43 is: 422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.23 : 467.62 = 308.43 : x
  2. Step 2: Convert to fraction form
    341.23/467.62 = 308.43/x
  3. Step 3: Cross multiply
    341.23x = 467.62 × 308.43
  4. Step 4: Simplify right side
    341.23x = 144,224.16
  5. Step 5: Solve for x
    x = 144,224.16/341.23
  6. Step 6: Final answer
    x = 422.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.