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Finding the Fourth Proportional to 592.32, 890.37 and 490.26

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Solution

The fourth proportional to 592.32, 890.37 and 490.26 is: 736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.32 : 890.37 = 490.26 : x
  2. Step 2: Convert to fraction form
    592.32/890.37 = 490.26/x
  3. Step 3: Cross multiply
    592.32x = 890.37 × 490.26
  4. Step 4: Simplify right side
    592.32x = 436,512.80
  5. Step 5: Solve for x
    x = 436,512.80/592.32
  6. Step 6: Final answer
    x = 736.95

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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.