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Finding the Fourth Proportional to 175.03, 241.55 and 145.87

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Solution

The fourth proportional to 175.03, 241.55 and 145.87 is: 201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.03 : 241.55 = 145.87 : x
  2. Step 2: Convert to fraction form
    175.03/241.55 = 145.87/x
  3. Step 3: Cross multiply
    175.03x = 241.55 × 145.87
  4. Step 4: Simplify right side
    175.03x = 35,234.90
  5. Step 5: Solve for x
    x = 35,234.90/175.03
  6. Step 6: Final answer
    x = 201.31

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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.