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Finding the Fourth Proportional to 376.60, 564.72 and 171.04

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Solution

The fourth proportional to 376.60, 564.72 and 171.04 is: 256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.60 : 564.72 = 171.04 : x
  2. Step 2: Convert to fraction form
    376.60/564.72 = 171.04/x
  3. Step 3: Cross multiply
    376.60x = 564.72 × 171.04
  4. Step 4: Simplify right side
    376.60x = 96,589.71
  5. Step 5: Solve for x
    x = 96,589.71/376.60
  6. Step 6: Final answer
    x = 256.48

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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.