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Finding the Fourth Proportional to 360.31, 540.54 and 116.83

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Solution

The fourth proportional to 360.31, 540.54 and 116.83 is: 175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.31 : 540.54 = 116.83 : x
  2. Step 2: Convert to fraction form
    360.31/540.54 = 116.83/x
  3. Step 3: Cross multiply
    360.31x = 540.54 × 116.83
  4. Step 4: Simplify right side
    360.31x = 63,149.94
  5. Step 5: Solve for x
    x = 63,149.94/360.31
  6. Step 6: Final answer
    x = 175.27

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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.