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Finding the Fourth Proportional to 222.16, 333.44 and 170.63

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Solution

The fourth proportional to 222.16, 333.44 and 170.63 is: 256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.16 : 333.44 = 170.63 : x
  2. Step 2: Convert to fraction form
    222.16/333.44 = 170.63/x
  3. Step 3: Cross multiply
    222.16x = 333.44 × 170.63
  4. Step 4: Simplify right side
    222.16x = 56,896.13
  5. Step 5: Solve for x
    x = 56,896.13/222.16
  6. Step 6: Final answer
    x = 256.11

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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.