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Finding the Fourth Proportional to 338.01, 466.39 and 213.84

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Solution

The fourth proportional to 338.01, 466.39 and 213.84 is: 295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.01 : 466.39 = 213.84 : x
  2. Step 2: Convert to fraction form
    338.01/466.39 = 213.84/x
  3. Step 3: Cross multiply
    338.01x = 466.39 × 213.84
  4. Step 4: Simplify right side
    338.01x = 99,731.77
  5. Step 5: Solve for x
    x = 99,731.77/338.01
  6. Step 6: Final answer
    x = 295.06

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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.