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Finding the Fourth Proportional to 191.08, 285.26 and 184.33

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Solution

The fourth proportional to 191.08, 285.26 and 184.33 is: 275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.08 : 285.26 = 184.33 : x
  2. Step 2: Convert to fraction form
    191.08/285.26 = 184.33/x
  3. Step 3: Cross multiply
    191.08x = 285.26 × 184.33
  4. Step 4: Simplify right side
    191.08x = 52,581.98
  5. Step 5: Solve for x
    x = 52,581.98/191.08
  6. Step 6: Final answer
    x = 275.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.