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Finding the Fourth Proportional to 368.13, 552.32 and 162.67

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Solution

The fourth proportional to 368.13, 552.32 and 162.67 is: 244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.13 : 552.32 = 162.67 : x
  2. Step 2: Convert to fraction form
    368.13/552.32 = 162.67/x
  3. Step 3: Cross multiply
    368.13x = 552.32 × 162.67
  4. Step 4: Simplify right side
    368.13x = 89,845.89
  5. Step 5: Solve for x
    x = 89,845.89/368.13
  6. Step 6: Final answer
    x = 244.06

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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.