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Finding the Fourth Proportional to 243.95, 365.99 and 114.01

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Solution

The fourth proportional to 243.95, 365.99 and 114.01 is: 171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.95 : 365.99 = 114.01 : x
  2. Step 2: Convert to fraction form
    243.95/365.99 = 114.01/x
  3. Step 3: Cross multiply
    243.95x = 365.99 × 114.01
  4. Step 4: Simplify right side
    243.95x = 41,725.03
  5. Step 5: Solve for x
    x = 41,725.03/243.95
  6. Step 6: Final answer
    x = 171.04

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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.