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Finding the Fourth Proportional to 655.58, 984.72 and 633.71

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Solution

The fourth proportional to 655.58, 984.72 and 633.71 is: 951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.58 : 984.72 = 633.71 : x
  2. Step 2: Convert to fraction form
    655.58/984.72 = 633.71/x
  3. Step 3: Cross multiply
    655.58x = 984.72 × 633.71
  4. Step 4: Simplify right side
    655.58x = 624,031.75
  5. Step 5: Solve for x
    x = 624,031.75/655.58
  6. Step 6: Final answer
    x = 951.87

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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.