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Finding the Fourth Proportional to 163.07, 224.84 and 141

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Solution

The fourth proportional to 163.07, 224.84 and 141 is: 194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.07 : 224.84 = 141 : x
  2. Step 2: Convert to fraction form
    163.07/224.84 = 141/x
  3. Step 3: Cross multiply
    163.07x = 224.84 × 141
  4. Step 4: Simplify right side
    163.07x = 31,701.74
  5. Step 5: Solve for x
    x = 31,701.74/163.07
  6. Step 6: Final answer
    x = 194.41

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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.