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Finding the Fourth Proportional to 463.56, 694.44 and 415.26

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Solution

The fourth proportional to 463.56, 694.44 and 415.26 is: 622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.56 : 694.44 = 415.26 : x
  2. Step 2: Convert to fraction form
    463.56/694.44 = 415.26/x
  3. Step 3: Cross multiply
    463.56x = 694.44 × 415.26
  4. Step 4: Simplify right side
    463.56x = 288,373.15
  5. Step 5: Solve for x
    x = 288,373.15/463.56
  6. Step 6: Final answer
    x = 622.08

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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.