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Finding the Fourth Proportional to 175.04, 241.60 and 149.12

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Solution

The fourth proportional to 175.04, 241.60 and 149.12 is: 205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.04 : 241.60 = 149.12 : x
  2. Step 2: Convert to fraction form
    175.04/241.60 = 149.12/x
  3. Step 3: Cross multiply
    175.04x = 241.60 × 149.12
  4. Step 4: Simplify right side
    175.04x = 36,027.39
  5. Step 5: Solve for x
    x = 36,027.39/175.04
  6. Step 6: Final answer
    x = 205.82

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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.