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Finding the Fourth Proportional to 242.12, 363.15 and 151.00

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Solution

The fourth proportional to 242.12, 363.15 and 151.00 is: 226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.12 : 363.15 = 151.00 : x
  2. Step 2: Convert to fraction form
    242.12/363.15 = 151.00/x
  3. Step 3: Cross multiply
    242.12x = 363.15 × 151.00
  4. Step 4: Simplify right side
    242.12x = 54,834.74
  5. Step 5: Solve for x
    x = 54,834.74/242.12
  6. Step 6: Final answer
    x = 226.48

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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.