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Finding the Fourth Proportional to 484.14, 725.58 and 361.44

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Solution

The fourth proportional to 484.14, 725.58 and 361.44 is: 541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.14 : 725.58 = 361.44 : x
  2. Step 2: Convert to fraction form
    484.14/725.58 = 361.44/x
  3. Step 3: Cross multiply
    484.14x = 725.58 × 361.44
  4. Step 4: Simplify right side
    484.14x = 262,253.64
  5. Step 5: Solve for x
    x = 262,253.64/484.14
  6. Step 6: Final answer
    x = 541.69

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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.