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Finding the Fourth Proportional to 376.13, 564.15 and 132.63

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Solution

The fourth proportional to 376.13, 564.15 and 132.63 is: 198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.13 : 564.15 = 132.63 : x
  2. Step 2: Convert to fraction form
    376.13/564.15 = 132.63/x
  3. Step 3: Cross multiply
    376.13x = 564.15 × 132.63
  4. Step 4: Simplify right side
    376.13x = 74,823.21
  5. Step 5: Solve for x
    x = 74,823.21/376.13
  6. Step 6: Final answer
    x = 198.93

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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.