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Finding the Fourth Proportional to 175.04, 241.28 and 143.90

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Solution

The fourth proportional to 175.04, 241.28 and 143.90 is: 198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.04 : 241.28 = 143.90 : x
  2. Step 2: Convert to fraction form
    175.04/241.28 = 143.90/x
  3. Step 3: Cross multiply
    175.04x = 241.28 × 143.90
  4. Step 4: Simplify right side
    175.04x = 34,720.19
  5. Step 5: Solve for x
    x = 34,720.19/175.04
  6. Step 6: Final answer
    x = 198.36

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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.