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Finding the Fourth Proportional to 600.45, 901.05 and 326.76

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Solution

The fourth proportional to 600.45, 901.05 and 326.76 is: 490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.45 : 901.05 = 326.76 : x
  2. Step 2: Convert to fraction form
    600.45/901.05 = 326.76/x
  3. Step 3: Cross multiply
    600.45x = 901.05 × 326.76
  4. Step 4: Simplify right side
    600.45x = 294,427.10
  5. Step 5: Solve for x
    x = 294,427.10/600.45
  6. Step 6: Final answer
    x = 490.34

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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.