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Finding the Fourth Proportional to 338.32, 466.88 and 183.07

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Solution

The fourth proportional to 338.32, 466.88 and 183.07 is: 252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.32 : 466.88 = 183.07 : x
  2. Step 2: Convert to fraction form
    338.32/466.88 = 183.07/x
  3. Step 3: Cross multiply
    338.32x = 466.88 × 183.07
  4. Step 4: Simplify right side
    338.32x = 85,468.47
  5. Step 5: Solve for x
    x = 85,468.47/338.32
  6. Step 6: Final answer
    x = 252.63

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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.