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Finding the Fourth Proportional to 656.17, 984.41 and 223.33

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Solution

The fourth proportional to 656.17, 984.41 and 223.33 is: 335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.17 : 984.41 = 223.33 : x
  2. Step 2: Convert to fraction form
    656.17/984.41 = 223.33/x
  3. Step 3: Cross multiply
    656.17x = 984.41 × 223.33
  4. Step 4: Simplify right side
    656.17x = 219,848.29
  5. Step 5: Solve for x
    x = 219,848.29/656.17
  6. Step 6: Final answer
    x = 335.05

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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.