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Finding the Fourth Proportional to 175.00, 241.46 and 112.81

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Solution

The fourth proportional to 175.00, 241.46 and 112.81 is: 155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.00 : 241.46 = 112.81 : x
  2. Step 2: Convert to fraction form
    175.00/241.46 = 112.81/x
  3. Step 3: Cross multiply
    175.00x = 241.46 × 112.81
  4. Step 4: Simplify right side
    175.00x = 27,238.49
  5. Step 5: Solve for x
    x = 27,238.49/175.00
  6. Step 6: Final answer
    x = 155.65

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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.