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Finding the Fourth Proportional to 463.04, 694.48 and 188.96

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Solution

The fourth proportional to 463.04, 694.48 and 188.96 is: 283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.04 : 694.48 = 188.96 : x
  2. Step 2: Convert to fraction form
    463.04/694.48 = 188.96/x
  3. Step 3: Cross multiply
    463.04x = 694.48 × 188.96
  4. Step 4: Simplify right side
    463.04x = 131,228.94
  5. Step 5: Solve for x
    x = 131,228.94/463.04
  6. Step 6: Final answer
    x = 283.41

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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.