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Finding the Fourth Proportional to 242.60, 363.63 and 119.00

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Solution

The fourth proportional to 242.60, 363.63 and 119.00 is: 178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.60 : 363.63 = 119.00 : x
  2. Step 2: Convert to fraction form
    242.60/363.63 = 119.00/x
  3. Step 3: Cross multiply
    242.60x = 363.63 × 119.00
  4. Step 4: Simplify right side
    242.60x = 43,273.33
  5. Step 5: Solve for x
    x = 43,273.33/242.60
  6. Step 6: Final answer
    x = 178.38

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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.