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Finding the Fourth Proportional to 333.14, 459.73 and 193.28

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Solution

The fourth proportional to 333.14, 459.73 and 193.28 is: 266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.14 : 459.73 = 193.28 : x
  2. Step 2: Convert to fraction form
    333.14/459.73 = 193.28/x
  3. Step 3: Cross multiply
    333.14x = 459.73 × 193.28
  4. Step 4: Simplify right side
    333.14x = 88,853.35
  5. Step 5: Solve for x
    x = 88,853.35/333.14
  6. Step 6: Final answer
    x = 266.72

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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.