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Finding the Fourth Proportional to 469.19, 703.82 and 160.97

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Solution

The fourth proportional to 469.19, 703.82 and 160.97 is: 241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.19 : 703.82 = 160.97 : x
  2. Step 2: Convert to fraction form
    469.19/703.82 = 160.97/x
  3. Step 3: Cross multiply
    469.19x = 703.82 × 160.97
  4. Step 4: Simplify right side
    469.19x = 113,294.75
  5. Step 5: Solve for x
    x = 113,294.75/469.19
  6. Step 6: Final answer
    x = 241.47

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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.