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Finding the Fourth Proportional to 335.70, 459.18 and 327.60

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Solution

The fourth proportional to 335.70, 459.18 and 327.60 is: 448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.70 : 459.18 = 327.60 : x
  2. Step 2: Convert to fraction form
    335.70/459.18 = 327.60/x
  3. Step 3: Cross multiply
    335.70x = 459.18 × 327.60
  4. Step 4: Simplify right side
    335.70x = 150,427.37
  5. Step 5: Solve for x
    x = 150,427.37/335.70
  6. Step 6: Final answer
    x = 448.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.