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Finding the Fourth Proportional to 242.41, 363.60 and 98.03

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Solution

The fourth proportional to 242.41, 363.60 and 98.03 is: 147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.41 : 363.60 = 98.03 : x
  2. Step 2: Convert to fraction form
    242.41/363.60 = 98.03/x
  3. Step 3: Cross multiply
    242.41x = 363.60 × 98.03
  4. Step 4: Simplify right side
    242.41x = 35,643.71
  5. Step 5: Solve for x
    x = 35,643.71/242.41
  6. Step 6: Final answer
    x = 147.04

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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.