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Finding the Fourth Proportional to 333.49, 460.12 and 202.48

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Solution

The fourth proportional to 333.49, 460.12 and 202.48 is: 279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.49 : 460.12 = 202.48 : x
  2. Step 2: Convert to fraction form
    333.49/460.12 = 202.48/x
  3. Step 3: Cross multiply
    333.49x = 460.12 × 202.48
  4. Step 4: Simplify right side
    333.49x = 93,165.10
  5. Step 5: Solve for x
    x = 93,165.10/333.49
  6. Step 6: Final answer
    x = 279.36

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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.