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Finding the Fourth Proportional to 195.71, 293.65 and 73.98

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Solution

The fourth proportional to 195.71, 293.65 and 73.98 is: 111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.71 : 293.65 = 73.98 : x
  2. Step 2: Convert to fraction form
    195.71/293.65 = 73.98/x
  3. Step 3: Cross multiply
    195.71x = 293.65 × 73.98
  4. Step 4: Simplify right side
    195.71x = 21,724.23
  5. Step 5: Solve for x
    x = 21,724.23/195.71
  6. Step 6: Final answer
    x = 111.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.