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Finding the Fourth Proportional to 407.54, 562.37 and 241.76

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Solution

The fourth proportional to 407.54, 562.37 and 241.76 is: 333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.54 : 562.37 = 241.76 : x
  2. Step 2: Convert to fraction form
    407.54/562.37 = 241.76/x
  3. Step 3: Cross multiply
    407.54x = 562.37 × 241.76
  4. Step 4: Simplify right side
    407.54x = 135,958.57
  5. Step 5: Solve for x
    x = 135,958.57/407.54
  6. Step 6: Final answer
    x = 333.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.