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Finding the Fourth Proportional to 368.26, 552.48 and 151.84

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Solution

The fourth proportional to 368.26, 552.48 and 151.84 is: 227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.26 : 552.48 = 151.84 : x
  2. Step 2: Convert to fraction form
    368.26/552.48 = 151.84/x
  3. Step 3: Cross multiply
    368.26x = 552.48 × 151.84
  4. Step 4: Simplify right side
    368.26x = 83,888.56
  5. Step 5: Solve for x
    x = 83,888.56/368.26
  6. Step 6: Final answer
    x = 227.80

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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.