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Finding the Fourth Proportional to 195.44, 294.40 and 190.58

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Solution

The fourth proportional to 195.44, 294.40 and 190.58 is: 287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.44 : 294.40 = 190.58 : x
  2. Step 2: Convert to fraction form
    195.44/294.40 = 190.58/x
  3. Step 3: Cross multiply
    195.44x = 294.40 × 190.58
  4. Step 4: Simplify right side
    195.44x = 56,106.75
  5. Step 5: Solve for x
    x = 56,106.75/195.44
  6. Step 6: Final answer
    x = 287.08

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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.