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Finding the Fourth Proportional to 663.01, 994.64 and 224.30

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Solution

The fourth proportional to 663.01, 994.64 and 224.30 is: 336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.01 : 994.64 = 224.30 : x
  2. Step 2: Convert to fraction form
    663.01/994.64 = 224.30/x
  3. Step 3: Cross multiply
    663.01x = 994.64 × 224.30
  4. Step 4: Simplify right side
    663.01x = 223,099.12
  5. Step 5: Solve for x
    x = 223,099.12/663.01
  6. Step 6: Final answer
    x = 336.50

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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.