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Finding the Fourth Proportional to 606.37, 912.63 and 453.11

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Solution

The fourth proportional to 606.37, 912.63 and 453.11 is: 681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.37 : 912.63 = 453.11 : x
  2. Step 2: Convert to fraction form
    606.37/912.63 = 453.11/x
  3. Step 3: Cross multiply
    606.37x = 912.63 × 453.11
  4. Step 4: Simplify right side
    606.37x = 413,517.22
  5. Step 5: Solve for x
    x = 413,517.22/606.37
  6. Step 6: Final answer
    x = 681.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.