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Finding the Fourth Proportional to 469.02, 703.61 and 160.86

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Solution

The fourth proportional to 469.02, 703.61 and 160.86 is: 241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.02 : 703.61 = 160.86 : x
  2. Step 2: Convert to fraction form
    469.02/703.61 = 160.86/x
  3. Step 3: Cross multiply
    469.02x = 703.61 × 160.86
  4. Step 4: Simplify right side
    469.02x = 113,183.62
  5. Step 5: Solve for x
    x = 113,183.62/469.02
  6. Step 6: Final answer
    x = 241.32

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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.