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Finding the Fourth Proportional to 333.23, 459.96 and 228.28

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Solution

The fourth proportional to 333.23, 459.96 and 228.28 is: 315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.23 : 459.96 = 228.28 : x
  2. Step 2: Convert to fraction form
    333.23/459.96 = 228.28/x
  3. Step 3: Cross multiply
    333.23x = 459.96 × 228.28
  4. Step 4: Simplify right side
    333.23x = 104,997.37
  5. Step 5: Solve for x
    x = 104,997.37/333.23
  6. Step 6: Final answer
    x = 315.09

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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.