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Finding the Fourth Proportional to 650.54, 896.90 and 484.94

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Solution

The fourth proportional to 650.54, 896.90 and 484.94 is: 668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.54 : 896.90 = 484.94 : x
  2. Step 2: Convert to fraction form
    650.54/896.90 = 484.94/x
  3. Step 3: Cross multiply
    650.54x = 896.90 × 484.94
  4. Step 4: Simplify right side
    650.54x = 434,942.69
  5. Step 5: Solve for x
    x = 434,942.69/650.54
  6. Step 6: Final answer
    x = 668.59

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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.