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Finding the Fourth Proportional to 228.83, 343.06 and 163.67

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Solution

The fourth proportional to 228.83, 343.06 and 163.67 is: 245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.83 : 343.06 = 163.67 : x
  2. Step 2: Convert to fraction form
    228.83/343.06 = 163.67/x
  3. Step 3: Cross multiply
    228.83x = 343.06 × 163.67
  4. Step 4: Simplify right side
    228.83x = 56,146.51
  5. Step 5: Solve for x
    x = 56,146.51/228.83
  6. Step 6: Final answer
    x = 245.37

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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.