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Finding the Fourth Proportional to 635.38, 953.08 and 224.43

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Solution

The fourth proportional to 635.38, 953.08 and 224.43 is: 336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.38 : 953.08 = 224.43 : x
  2. Step 2: Convert to fraction form
    635.38/953.08 = 224.43/x
  3. Step 3: Cross multiply
    635.38x = 953.08 × 224.43
  4. Step 4: Simplify right side
    635.38x = 213,899.74
  5. Step 5: Solve for x
    x = 213,899.74/635.38
  6. Step 6: Final answer
    x = 336.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.