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Finding the Fourth Proportional to 387.84, 582.13 and 241.87

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Solution

The fourth proportional to 387.84, 582.13 and 241.87 is: 363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    387.84 : 582.13 = 241.87 : x
  2. Step 2: Convert to fraction form
    387.84/582.13 = 241.87/x
  3. Step 3: Cross multiply
    387.84x = 582.13 × 241.87
  4. Step 4: Simplify right side
    387.84x = 140,795.66
  5. Step 5: Solve for x
    x = 140,795.66/387.84
  6. Step 6: Final answer
    x = 363.03

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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.