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Finding the Fourth Proportional to 362.21, 499.75 and 214.88

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Solution

The fourth proportional to 362.21, 499.75 and 214.88 is: 296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.21 : 499.75 = 214.88 : x
  2. Step 2: Convert to fraction form
    362.21/499.75 = 214.88/x
  3. Step 3: Cross multiply
    362.21x = 499.75 × 214.88
  4. Step 4: Simplify right side
    362.21x = 107,383.24
  5. Step 5: Solve for x
    x = 107,383.24/362.21
  6. Step 6: Final answer
    x = 296.47

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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.