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Finding the Fourth Proportional to 336.32, 464.14 and 188.96

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Solution

The fourth proportional to 336.32, 464.14 and 188.96 is: 260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.32 : 464.14 = 188.96 : x
  2. Step 2: Convert to fraction form
    336.32/464.14 = 188.96/x
  3. Step 3: Cross multiply
    336.32x = 464.14 × 188.96
  4. Step 4: Simplify right side
    336.32x = 87,704.58
  5. Step 5: Solve for x
    x = 87,704.58/336.32
  6. Step 6: Final answer
    x = 260.78

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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.