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Finding the Fourth Proportional to 600.07, 900.71 and 426.93

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Solution

The fourth proportional to 600.07, 900.71 and 426.93 is: 640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.07 : 900.71 = 426.93 : x
  2. Step 2: Convert to fraction form
    600.07/900.71 = 426.93/x
  3. Step 3: Cross multiply
    600.07x = 900.71 × 426.93
  4. Step 4: Simplify right side
    600.07x = 384,540.12
  5. Step 5: Solve for x
    x = 384,540.12/600.07
  6. Step 6: Final answer
    x = 640.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.