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Finding the Fourth Proportional to 335.82, 463.23 and 223.77

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Solution

The fourth proportional to 335.82, 463.23 and 223.77 is: 308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.82 : 463.23 = 223.77 : x
  2. Step 2: Convert to fraction form
    335.82/463.23 = 223.77/x
  3. Step 3: Cross multiply
    335.82x = 463.23 × 223.77
  4. Step 4: Simplify right side
    335.82x = 103,656.98
  5. Step 5: Solve for x
    x = 103,656.98/335.82
  6. Step 6: Final answer
    x = 308.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.