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Finding the Fourth Proportional to 334.66, 461.80 and 185.26

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Solution

The fourth proportional to 334.66, 461.80 and 185.26 is: 255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.66 : 461.80 = 185.26 : x
  2. Step 2: Convert to fraction form
    334.66/461.80 = 185.26/x
  3. Step 3: Cross multiply
    334.66x = 461.80 × 185.26
  4. Step 4: Simplify right side
    334.66x = 85,553.07
  5. Step 5: Solve for x
    x = 85,553.07/334.66
  6. Step 6: Final answer
    x = 255.64

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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.