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Finding the Fourth Proportional to 333.10, 458.49 and 245.62

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Solution

The fourth proportional to 333.10, 458.49 and 245.62 is: 338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.10 : 458.49 = 245.62 : x
  2. Step 2: Convert to fraction form
    333.10/458.49 = 245.62/x
  3. Step 3: Cross multiply
    333.10x = 458.49 × 245.62
  4. Step 4: Simplify right side
    333.10x = 112,614.31
  5. Step 5: Solve for x
    x = 112,614.31/333.10
  6. Step 6: Final answer
    x = 338.08

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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.