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Finding the Fourth Proportional to 333.68, 463.38 and 330.48

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Solution

The fourth proportional to 333.68, 463.38 and 330.48 is: 458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.68 : 463.38 = 330.48 : x
  2. Step 2: Convert to fraction form
    333.68/463.38 = 330.48/x
  3. Step 3: Cross multiply
    333.68x = 463.38 × 330.48
  4. Step 4: Simplify right side
    333.68x = 153,137.82
  5. Step 5: Solve for x
    x = 153,137.82/333.68
  6. Step 6: Final answer
    x = 458.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.