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Finding the Fourth Proportional to 634.08, 950.76 and 309.04

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Solution

The fourth proportional to 634.08, 950.76 and 309.04 is: 463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.08 : 950.76 = 309.04 : x
  2. Step 2: Convert to fraction form
    634.08/950.76 = 309.04/x
  3. Step 3: Cross multiply
    634.08x = 950.76 × 309.04
  4. Step 4: Simplify right side
    634.08x = 293,822.87
  5. Step 5: Solve for x
    x = 293,822.87/634.08
  6. Step 6: Final answer
    x = 463.38

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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.