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Finding the Fourth Proportional to 600.72, 900.39 and 326.20

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Solution

The fourth proportional to 600.72, 900.39 and 326.20 is: 488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.72 : 900.39 = 326.20 : x
  2. Step 2: Convert to fraction form
    600.72/900.39 = 326.20/x
  3. Step 3: Cross multiply
    600.72x = 900.39 × 326.20
  4. Step 4: Simplify right side
    600.72x = 293,707.22
  5. Step 5: Solve for x
    x = 293,707.22/600.72
  6. Step 6: Final answer
    x = 488.93

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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.