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Finding the Fourth Proportional to 264.49, 397.01 and 200.77

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Solution

The fourth proportional to 264.49, 397.01 and 200.77 is: 301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.49 : 397.01 = 200.77 : x
  2. Step 2: Convert to fraction form
    264.49/397.01 = 200.77/x
  3. Step 3: Cross multiply
    264.49x = 397.01 × 200.77
  4. Step 4: Simplify right side
    264.49x = 79,707.70
  5. Step 5: Solve for x
    x = 79,707.70/264.49
  6. Step 6: Final answer
    x = 301.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.