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Finding the Fourth Proportional to 633.81, 950.70 and 171.62

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Solution

The fourth proportional to 633.81, 950.70 and 171.62 is: 257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.81 : 950.70 = 171.62 : x
  2. Step 2: Convert to fraction form
    633.81/950.70 = 171.62/x
  3. Step 3: Cross multiply
    633.81x = 950.70 × 171.62
  4. Step 4: Simplify right side
    633.81x = 163,157.87
  5. Step 5: Solve for x
    x = 163,157.87/633.81
  6. Step 6: Final answer
    x = 257.42

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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.