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Finding the Fourth Proportional to 338.00, 466.46 and 190.63

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Solution

The fourth proportional to 338.00, 466.46 and 190.63 is: 263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.00 : 466.46 = 190.63 : x
  2. Step 2: Convert to fraction form
    338.00/466.46 = 190.63/x
  3. Step 3: Cross multiply
    338.00x = 466.46 × 190.63
  4. Step 4: Simplify right side
    338.00x = 88,920.30
  5. Step 5: Solve for x
    x = 88,920.30/338.00
  6. Step 6: Final answer
    x = 263.08

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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.