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Finding the Fourth Proportional to 463.17, 694.80 and 174.63

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Solution

The fourth proportional to 463.17, 694.80 and 174.63 is: 261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.17 : 694.80 = 174.63 : x
  2. Step 2: Convert to fraction form
    463.17/694.80 = 174.63/x
  3. Step 3: Cross multiply
    463.17x = 694.80 × 174.63
  4. Step 4: Simplify right side
    463.17x = 121,332.92
  5. Step 5: Solve for x
    x = 121,332.92/463.17
  6. Step 6: Final answer
    x = 261.96

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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.