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Finding the Fourth Proportional to 403.74, 604.65 and 241.02

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Solution

The fourth proportional to 403.74, 604.65 and 241.02 is: 360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.74 : 604.65 = 241.02 : x
  2. Step 2: Convert to fraction form
    403.74/604.65 = 241.02/x
  3. Step 3: Cross multiply
    403.74x = 604.65 × 241.02
  4. Step 4: Simplify right side
    403.74x = 145,732.74
  5. Step 5: Solve for x
    x = 145,732.74/403.74
  6. Step 6: Final answer
    x = 360.96

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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.