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Finding the Fourth Proportional to 195.93, 295.16 and 191.07

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Solution

The fourth proportional to 195.93, 295.16 and 191.07 is: 287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.93 : 295.16 = 191.07 : x
  2. Step 2: Convert to fraction form
    195.93/295.16 = 191.07/x
  3. Step 3: Cross multiply
    195.93x = 295.16 × 191.07
  4. Step 4: Simplify right side
    195.93x = 56,395.27
  5. Step 5: Solve for x
    x = 56,395.27/195.93
  6. Step 6: Final answer
    x = 287.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.