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Finding the Fourth Proportional to 334.13, 461.12 and 186.80

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Solution

The fourth proportional to 334.13, 461.12 and 186.80 is: 257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.13 : 461.12 = 186.80 : x
  2. Step 2: Convert to fraction form
    334.13/461.12 = 186.80/x
  3. Step 3: Cross multiply
    334.13x = 461.12 × 186.80
  4. Step 4: Simplify right side
    334.13x = 86,133.98
  5. Step 5: Solve for x
    x = 86,133.98/334.13
  6. Step 6: Final answer
    x = 257.79

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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.