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Finding the Fourth Proportional to 600.13, 900.60 and 326.28

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Solution

The fourth proportional to 600.13, 900.60 and 326.28 is: 489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.13 : 900.60 = 326.28 : x
  2. Step 2: Convert to fraction form
    600.13/900.60 = 326.28/x
  3. Step 3: Cross multiply
    600.13x = 900.60 × 326.28
  4. Step 4: Simplify right side
    600.13x = 293,847.77
  5. Step 5: Solve for x
    x = 293,847.77/600.13
  6. Step 6: Final answer
    x = 489.64

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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.