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Finding the Fourth Proportional to 469.22, 703.77 and 195.27

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Solution

The fourth proportional to 469.22, 703.77 and 195.27 is: 292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.22 : 703.77 = 195.27 : x
  2. Step 2: Convert to fraction form
    469.22/703.77 = 195.27/x
  3. Step 3: Cross multiply
    469.22x = 703.77 × 195.27
  4. Step 4: Simplify right side
    469.22x = 137,427.81
  5. Step 5: Solve for x
    x = 137,427.81/469.22
  6. Step 6: Final answer
    x = 292.89

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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.