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Finding the Fourth Proportional to 194.79, 290.49 and 179.04

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Solution

The fourth proportional to 194.79, 290.49 and 179.04 is: 267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.79 : 290.49 = 179.04 : x
  2. Step 2: Convert to fraction form
    194.79/290.49 = 179.04/x
  3. Step 3: Cross multiply
    194.79x = 290.49 × 179.04
  4. Step 4: Simplify right side
    194.79x = 52,009.33
  5. Step 5: Solve for x
    x = 52,009.33/194.79
  6. Step 6: Final answer
    x = 267.00

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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.