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Finding the Fourth Proportional to 633.05, 949.53 and 170.86

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Solution

The fourth proportional to 633.05, 949.53 and 170.86 is: 256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.05 : 949.53 = 170.86 : x
  2. Step 2: Convert to fraction form
    633.05/949.53 = 170.86/x
  3. Step 3: Cross multiply
    633.05x = 949.53 × 170.86
  4. Step 4: Simplify right side
    633.05x = 162,231.95
  5. Step 5: Solve for x
    x = 162,231.95/633.05
  6. Step 6: Final answer
    x = 256.27

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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.