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Finding the Fourth Proportional to 365.88, 546.36 and 361.83

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Solution

The fourth proportional to 365.88, 546.36 and 361.83 is: 540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.88 : 546.36 = 361.83 : x
  2. Step 2: Convert to fraction form
    365.88/546.36 = 361.83/x
  3. Step 3: Cross multiply
    365.88x = 546.36 × 361.83
  4. Step 4: Simplify right side
    365.88x = 197,689.44
  5. Step 5: Solve for x
    x = 197,689.44/365.88
  6. Step 6: Final answer
    x = 540.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.