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Finding the Fourth Proportional to 471.77, 649.52 and 366.73

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Solution

The fourth proportional to 471.77, 649.52 and 366.73 is: 504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.77 : 649.52 = 366.73 : x
  2. Step 2: Convert to fraction form
    471.77/649.52 = 366.73/x
  3. Step 3: Cross multiply
    471.77x = 649.52 × 366.73
  4. Step 4: Simplify right side
    471.77x = 238,196.39
  5. Step 5: Solve for x
    x = 238,196.39/471.77
  6. Step 6: Final answer
    x = 504.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.