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Finding the Fourth Proportional to 360.25, 541.18 and 197.84

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Solution

The fourth proportional to 360.25, 541.18 and 197.84 is: 297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.25 : 541.18 = 197.84 : x
  2. Step 2: Convert to fraction form
    360.25/541.18 = 197.84/x
  3. Step 3: Cross multiply
    360.25x = 541.18 × 197.84
  4. Step 4: Simplify right side
    360.25x = 107,068.65
  5. Step 5: Solve for x
    x = 107,068.65/360.25
  6. Step 6: Final answer
    x = 297.21

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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.