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Finding the Fourth Proportional to 633.67, 950.14 and 487.05

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Solution

The fourth proportional to 633.67, 950.14 and 487.05 is: 730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.67 : 950.14 = 487.05 : x
  2. Step 2: Convert to fraction form
    633.67/950.14 = 487.05/x
  3. Step 3: Cross multiply
    633.67x = 950.14 × 487.05
  4. Step 4: Simplify right side
    633.67x = 462,763.25
  5. Step 5: Solve for x
    x = 462,763.25/633.67
  6. Step 6: Final answer
    x = 730.30

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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.