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Finding the Fourth Proportional to 264.33, 364.50 and 208.98

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Solution

The fourth proportional to 264.33, 364.50 and 208.98 is: 288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.33 : 364.50 = 208.98 : x
  2. Step 2: Convert to fraction form
    264.33/364.50 = 208.98/x
  3. Step 3: Cross multiply
    264.33x = 364.50 × 208.98
  4. Step 4: Simplify right side
    264.33x = 76,173.21
  5. Step 5: Solve for x
    x = 76,173.21/264.33
  6. Step 6: Final answer
    x = 288.17

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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.