Home / 191.16-263.25-141.75

Finding the Fourth Proportional to 191.16, 263.25 and 141.75

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Solution

The fourth proportional to 191.16, 263.25 and 141.75 is: 195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.16 : 263.25 = 141.75 : x
  2. Step 2: Convert to fraction form
    191.16/263.25 = 141.75/x
  3. Step 3: Cross multiply
    191.16x = 263.25 × 141.75
  4. Step 4: Simplify right side
    191.16x = 37,315.69
  5. Step 5: Solve for x
    x = 37,315.69/191.16
  6. Step 6: Final answer
    x = 195.21

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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.