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Finding the Fourth Proportional to 584.22, 876.28 and 194.18

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Solution

The fourth proportional to 584.22, 876.28 and 194.18 is: 291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.22 : 876.28 = 194.18 : x
  2. Step 2: Convert to fraction form
    584.22/876.28 = 194.18/x
  3. Step 3: Cross multiply
    584.22x = 876.28 × 194.18
  4. Step 4: Simplify right side
    584.22x = 170,156.05
  5. Step 5: Solve for x
    x = 170,156.05/584.22
  6. Step 6: Final answer
    x = 291.25

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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.