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Finding the Fourth Proportional to 615.16, 922.92 and 182.38

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Solution

The fourth proportional to 615.16, 922.92 and 182.38 is: 273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.16 : 922.92 = 182.38 : x
  2. Step 2: Convert to fraction form
    615.16/922.92 = 182.38/x
  3. Step 3: Cross multiply
    615.16x = 922.92 × 182.38
  4. Step 4: Simplify right side
    615.16x = 168,322.15
  5. Step 5: Solve for x
    x = 168,322.15/615.16
  6. Step 6: Final answer
    x = 273.62

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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.