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Finding the Fourth Proportional to 264.75, 364.88 and 223.41

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Solution

The fourth proportional to 264.75, 364.88 and 223.41 is: 307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.75 : 364.88 = 223.41 : x
  2. Step 2: Convert to fraction form
    264.75/364.88 = 223.41/x
  3. Step 3: Cross multiply
    264.75x = 364.88 × 223.41
  4. Step 4: Simplify right side
    264.75x = 81,516.57
  5. Step 5: Solve for x
    x = 81,516.57/264.75
  6. Step 6: Final answer
    x = 307.91

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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.