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Finding the Fourth Proportional to 592.82, 889.28 and 454.20

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Solution

The fourth proportional to 592.82, 889.28 and 454.20 is: 681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.82 : 889.28 = 454.20 : x
  2. Step 2: Convert to fraction form
    592.82/889.28 = 454.20/x
  3. Step 3: Cross multiply
    592.82x = 889.28 × 454.20
  4. Step 4: Simplify right side
    592.82x = 403,910.98
  5. Step 5: Solve for x
    x = 403,910.98/592.82
  6. Step 6: Final answer
    x = 681.34

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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.