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Finding the Fourth Proportional to 362.12, 499.45 and 236.11

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Solution

The fourth proportional to 362.12, 499.45 and 236.11 is: 325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.12 : 499.45 = 236.11 : x
  2. Step 2: Convert to fraction form
    362.12/499.45 = 236.11/x
  3. Step 3: Cross multiply
    362.12x = 499.45 × 236.11
  4. Step 4: Simplify right side
    362.12x = 117,925.14
  5. Step 5: Solve for x
    x = 117,925.14/362.12
  6. Step 6: Final answer
    x = 325.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.