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Finding the Fourth Proportional to 552.04, 761.82 and 330.88

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Solution

The fourth proportional to 552.04, 761.82 and 330.88 is: 456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.04 : 761.82 = 330.88 : x
  2. Step 2: Convert to fraction form
    552.04/761.82 = 330.88/x
  3. Step 3: Cross multiply
    552.04x = 761.82 × 330.88
  4. Step 4: Simplify right side
    552.04x = 252,071.00
  5. Step 5: Solve for x
    x = 252,071.00/552.04
  6. Step 6: Final answer
    x = 456.62

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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.