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Finding the Fourth Proportional to 338.19, 466.76 and 190.88

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Solution

The fourth proportional to 338.19, 466.76 and 190.88 is: 263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.19 : 466.76 = 190.88 : x
  2. Step 2: Convert to fraction form
    338.19/466.76 = 190.88/x
  3. Step 3: Cross multiply
    338.19x = 466.76 × 190.88
  4. Step 4: Simplify right side
    338.19x = 89,093.29
  5. Step 5: Solve for x
    x = 89,093.29/338.19
  6. Step 6: Final answer
    x = 263.44

Related Problems

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Double scale
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1.5x scale

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.