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Finding the Fourth Proportional to 592.48, 887.11 and 418.43

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Solution

The fourth proportional to 592.48, 887.11 and 418.43 is: 626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.48 : 887.11 = 418.43 : x
  2. Step 2: Convert to fraction form
    592.48/887.11 = 418.43/x
  3. Step 3: Cross multiply
    592.48x = 887.11 × 418.43
  4. Step 4: Simplify right side
    592.48x = 371,193.44
  5. Step 5: Solve for x
    x = 371,193.44/592.48
  6. Step 6: Final answer
    x = 626.51

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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.