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Finding the Fourth Proportional to 333.14, 459.44 and 208.66

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Solution

The fourth proportional to 333.14, 459.44 and 208.66 is: 287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.14 : 459.44 = 208.66 : x
  2. Step 2: Convert to fraction form
    333.14/459.44 = 208.66/x
  3. Step 3: Cross multiply
    333.14x = 459.44 × 208.66
  4. Step 4: Simplify right side
    333.14x = 95,866.75
  5. Step 5: Solve for x
    x = 95,866.75/333.14
  6. Step 6: Final answer
    x = 287.77

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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.