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Finding the Fourth Proportional to 264.35, 364.97 and 223.35

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Solution

The fourth proportional to 264.35, 364.97 and 223.35 is: 308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.35 : 364.97 = 223.35 : x
  2. Step 2: Convert to fraction form
    264.35/364.97 = 223.35/x
  3. Step 3: Cross multiply
    264.35x = 364.97 × 223.35
  4. Step 4: Simplify right side
    264.35x = 81,516.05
  5. Step 5: Solve for x
    x = 81,516.05/264.35
  6. Step 6: Final answer
    x = 308.36

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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.