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Finding the Fourth Proportional to 482.05, 660.88 and 473.29

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Solution

The fourth proportional to 482.05, 660.88 and 473.29 is: 648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.05 : 660.88 = 473.29 : x
  2. Step 2: Convert to fraction form
    482.05/660.88 = 473.29/x
  3. Step 3: Cross multiply
    482.05x = 660.88 × 473.29
  4. Step 4: Simplify right side
    482.05x = 312,786.83
  5. Step 5: Solve for x
    x = 312,786.83/482.05
  6. Step 6: Final answer
    x = 648.87

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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.