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Finding the Fourth Proportional to 242, 363.06 and 88.02

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Solution

The fourth proportional to 242, 363.06 and 88.02 is: 132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242 : 363.06 = 88.02 : x
  2. Step 2: Convert to fraction form
    242/363.06 = 88.02/x
  3. Step 3: Cross multiply
    242x = 363.06 × 88.02
  4. Step 4: Simplify right side
    242x = 31,956.54
  5. Step 5: Solve for x
    x = 31,956.54/242
  6. Step 6: Final answer
    x = 132.05

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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.