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Finding the Fourth Proportional to 634.94, 950.86 and 573.38

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Solution

The fourth proportional to 634.94, 950.86 and 573.38 is: 858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.94 : 950.86 = 573.38 : x
  2. Step 2: Convert to fraction form
    634.94/950.86 = 573.38/x
  3. Step 3: Cross multiply
    634.94x = 950.86 × 573.38
  4. Step 4: Simplify right side
    634.94x = 545,201.24
  5. Step 5: Solve for x
    x = 545,201.24/634.94
  6. Step 6: Final answer
    x = 858.67

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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.