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Finding the Fourth Proportional to 403.59, 604.35 and 335.37

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Solution

The fourth proportional to 403.59, 604.35 and 335.37 is: 502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.59 : 604.35 = 335.37 : x
  2. Step 2: Convert to fraction form
    403.59/604.35 = 335.37/x
  3. Step 3: Cross multiply
    403.59x = 604.35 × 335.37
  4. Step 4: Simplify right side
    403.59x = 202,680.86
  5. Step 5: Solve for x
    x = 202,680.86/403.59
  6. Step 6: Final answer
    x = 502.19

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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.