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Finding the Fourth Proportional to 559.25, 838.98 and 189.03

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Solution

The fourth proportional to 559.25, 838.98 and 189.03 is: 283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.25 : 838.98 = 189.03 : x
  2. Step 2: Convert to fraction form
    559.25/838.98 = 189.03/x
  3. Step 3: Cross multiply
    559.25x = 838.98 × 189.03
  4. Step 4: Simplify right side
    559.25x = 158,592.39
  5. Step 5: Solve for x
    x = 158,592.39/559.25
  6. Step 6: Final answer
    x = 283.58

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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.