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Finding the Fourth Proportional to 484.05, 663.62 and 475.29

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Solution

The fourth proportional to 484.05, 663.62 and 475.29 is: 651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.05 : 663.62 = 475.29 : x
  2. Step 2: Convert to fraction form
    484.05/663.62 = 475.29/x
  3. Step 3: Cross multiply
    484.05x = 663.62 × 475.29
  4. Step 4: Simplify right side
    484.05x = 315,411.95
  5. Step 5: Solve for x
    x = 315,411.95/484.05
  6. Step 6: Final answer
    x = 651.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.