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Finding the Fourth Proportional to 592.04, 891.32 and 490.88

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Solution

The fourth proportional to 592.04, 891.32 and 490.88 is: 739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.04 : 891.32 = 490.88 : x
  2. Step 2: Convert to fraction form
    592.04/891.32 = 490.88/x
  3. Step 3: Cross multiply
    592.04x = 891.32 × 490.88
  4. Step 4: Simplify right side
    592.04x = 437,531.16
  5. Step 5: Solve for x
    x = 437,531.16/592.04
  6. Step 6: Final answer
    x = 739.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.