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Finding the Fourth Proportional to 650.09, 896.58 and 484.70

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Solution

The fourth proportional to 650.09, 896.58 and 484.70 is: 668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.09 : 896.58 = 484.70 : x
  2. Step 2: Convert to fraction form
    650.09/896.58 = 484.70/x
  3. Step 3: Cross multiply
    650.09x = 896.58 × 484.70
  4. Step 4: Simplify right side
    650.09x = 434,571.52
  5. Step 5: Solve for x
    x = 434,571.52/650.09
  6. Step 6: Final answer
    x = 668.48

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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.