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Finding the Fourth Proportional to 336.82, 464.38 and 277.60

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Solution

The fourth proportional to 336.82, 464.38 and 277.60 is: 382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.82 : 464.38 = 277.60 : x
  2. Step 2: Convert to fraction form
    336.82/464.38 = 277.60/x
  3. Step 3: Cross multiply
    336.82x = 464.38 × 277.60
  4. Step 4: Simplify right side
    336.82x = 128,911.89
  5. Step 5: Solve for x
    x = 128,911.89/336.82
  6. Step 6: Final answer
    x = 382.73

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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.