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Finding the Fourth Proportional to 564.98, 847.34 and 194.75

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Solution

The fourth proportional to 564.98, 847.34 and 194.75 is: 292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.98 : 847.34 = 194.75 : x
  2. Step 2: Convert to fraction form
    564.98/847.34 = 194.75/x
  3. Step 3: Cross multiply
    564.98x = 847.34 × 194.75
  4. Step 4: Simplify right side
    564.98x = 165,014.25
  5. Step 5: Solve for x
    x = 165,014.25/564.98
  6. Step 6: Final answer
    x = 292.07

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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.