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Finding the Fourth Proportional to 376.32, 564.42 and 304.60

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Solution

The fourth proportional to 376.32, 564.42 and 304.60 is: 456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.32 : 564.42 = 304.60 : x
  2. Step 2: Convert to fraction form
    376.32/564.42 = 304.60/x
  3. Step 3: Cross multiply
    376.32x = 564.42 × 304.60
  4. Step 4: Simplify right side
    376.32x = 171,922.33
  5. Step 5: Solve for x
    x = 171,922.33/376.32
  6. Step 6: Final answer
    x = 456.85

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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.