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Finding the Fourth Proportional to 264.33, 364.37 and 215.12

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Solution

The fourth proportional to 264.33, 364.37 and 215.12 is: 296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.33 : 364.37 = 215.12 : x
  2. Step 2: Convert to fraction form
    264.33/364.37 = 215.12/x
  3. Step 3: Cross multiply
    264.33x = 364.37 × 215.12
  4. Step 4: Simplify right side
    264.33x = 78,383.11
  5. Step 5: Solve for x
    x = 78,383.11/264.33
  6. Step 6: Final answer
    x = 296.54

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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.