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Finding the Fourth Proportional to 463.26, 695.01 and 174.78

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Solution

The fourth proportional to 463.26, 695.01 and 174.78 is: 262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.26 : 695.01 = 174.78 : x
  2. Step 2: Convert to fraction form
    463.26/695.01 = 174.78/x
  3. Step 3: Cross multiply
    463.26x = 695.01 × 174.78
  4. Step 4: Simplify right side
    463.26x = 121,473.85
  5. Step 5: Solve for x
    x = 121,473.85/463.26
  6. Step 6: Final answer
    x = 262.22

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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.