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Finding the Fourth Proportional to 203.36, 279.95 and 175.57

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Solution

The fourth proportional to 203.36, 279.95 and 175.57 is: 241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.36 : 279.95 = 175.57 : x
  2. Step 2: Convert to fraction form
    203.36/279.95 = 175.57/x
  3. Step 3: Cross multiply
    203.36x = 279.95 × 175.57
  4. Step 4: Simplify right side
    203.36x = 49,149.24
  5. Step 5: Solve for x
    x = 49,149.24/203.36
  6. Step 6: Final answer
    x = 241.69

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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.