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Finding the Fourth Proportional to 463.50, 694.94 and 189.24

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Solution

The fourth proportional to 463.50, 694.94 and 189.24 is: 283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.50 : 694.94 = 189.24 : x
  2. Step 2: Convert to fraction form
    463.50/694.94 = 189.24/x
  3. Step 3: Cross multiply
    463.50x = 694.94 × 189.24
  4. Step 4: Simplify right side
    463.50x = 131,510.45
  5. Step 5: Solve for x
    x = 131,510.45/463.50
  6. Step 6: Final answer
    x = 283.73

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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.