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Finding the Fourth Proportional to 175.08, 241.62 and 142.36

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Solution

The fourth proportional to 175.08, 241.62 and 142.36 is: 196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.08 : 241.62 = 142.36 : x
  2. Step 2: Convert to fraction form
    175.08/241.62 = 142.36/x
  3. Step 3: Cross multiply
    175.08x = 241.62 × 142.36
  4. Step 4: Simplify right side
    175.08x = 34,397.02
  5. Step 5: Solve for x
    x = 34,397.02/175.08
  6. Step 6: Final answer
    x = 196.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.