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Finding the Fourth Proportional to 191.36, 264.40 and 174.08

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Solution

The fourth proportional to 191.36, 264.40 and 174.08 is: 240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.36 : 264.40 = 174.08 : x
  2. Step 2: Convert to fraction form
    191.36/264.40 = 174.08/x
  3. Step 3: Cross multiply
    191.36x = 264.40 × 174.08
  4. Step 4: Simplify right side
    191.36x = 46,026.75
  5. Step 5: Solve for x
    x = 46,026.75/191.36
  6. Step 6: Final answer
    x = 240.52

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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.