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Finding the Fourth Proportional to 592.43, 889.02 and 409.49

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Solution

The fourth proportional to 592.43, 889.02 and 409.49 is: 614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.43 : 889.02 = 409.49 : x
  2. Step 2: Convert to fraction form
    592.43/889.02 = 409.49/x
  3. Step 3: Cross multiply
    592.43x = 889.02 × 409.49
  4. Step 4: Simplify right side
    592.43x = 364,040.35
  5. Step 5: Solve for x
    x = 364,040.35/592.43
  6. Step 6: Final answer
    x = 614.48

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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.