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Finding the Fourth Proportional to 264.03, 364.21 and 194.27

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Solution

The fourth proportional to 264.03, 364.21 and 194.27 is: 267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.03 : 364.21 = 194.27 : x
  2. Step 2: Convert to fraction form
    264.03/364.21 = 194.27/x
  3. Step 3: Cross multiply
    264.03x = 364.21 × 194.27
  4. Step 4: Simplify right side
    264.03x = 70,756.12
  5. Step 5: Solve for x
    x = 70,756.12/264.03
  6. Step 6: Final answer
    x = 267.98

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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.