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Finding the Fourth Proportional to 592.78, 889.62 and 333

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Solution

The fourth proportional to 592.78, 889.62 and 333 is: 499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.78 : 889.62 = 333 : x
  2. Step 2: Convert to fraction form
    592.78/889.62 = 333/x
  3. Step 3: Cross multiply
    592.78x = 889.62 × 333
  4. Step 4: Simplify right side
    592.78x = 296,243.46
  5. Step 5: Solve for x
    x = 296,243.46/592.78
  6. Step 6: Final answer
    x = 499.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.