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Finding the Fourth Proportional to 463.24, 694.92 and 154.99

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Solution

The fourth proportional to 463.24, 694.92 and 154.99 is: 232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.24 : 694.92 = 154.99 : x
  2. Step 2: Convert to fraction form
    463.24/694.92 = 154.99/x
  3. Step 3: Cross multiply
    463.24x = 694.92 × 154.99
  4. Step 4: Simplify right side
    463.24x = 107,705.65
  5. Step 5: Solve for x
    x = 107,705.65/463.24
  6. Step 6: Final answer
    x = 232.51

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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.