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Finding the Fourth Proportional to 195.34, 293.02 and 97.84

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Solution

The fourth proportional to 195.34, 293.02 and 97.84 is: 146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.34 : 293.02 = 97.84 : x
  2. Step 2: Convert to fraction form
    195.34/293.02 = 97.84/x
  3. Step 3: Cross multiply
    195.34x = 293.02 × 97.84
  4. Step 4: Simplify right side
    195.34x = 28,669.08
  5. Step 5: Solve for x
    x = 28,669.08/195.34
  6. Step 6: Final answer
    x = 146.77

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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.