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Finding the Fourth Proportional to 334.96, 461.24 and 279.60

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Solution

The fourth proportional to 334.96, 461.24 and 279.60 is: 385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.96 : 461.24 = 279.60 : x
  2. Step 2: Convert to fraction form
    334.96/461.24 = 279.60/x
  3. Step 3: Cross multiply
    334.96x = 461.24 × 279.60
  4. Step 4: Simplify right side
    334.96x = 128,961.83
  5. Step 5: Solve for x
    x = 128,961.83/334.96
  6. Step 6: Final answer
    x = 385.01

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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.