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Finding the Fourth Proportional to 191.59, 265.08 and 167.08

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Solution

The fourth proportional to 191.59, 265.08 and 167.08 is: 231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.59 : 265.08 = 167.08 : x
  2. Step 2: Convert to fraction form
    191.59/265.08 = 167.08/x
  3. Step 3: Cross multiply
    191.59x = 265.08 × 167.08
  4. Step 4: Simplify right side
    191.59x = 44,288.90
  5. Step 5: Solve for x
    x = 44,288.90/191.59
  6. Step 6: Final answer
    x = 231.17

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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.