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Finding the Fourth Proportional to 852.03, 1,276.38 and 559.26

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Solution

The fourth proportional to 852.03, 1,276.38 and 559.26 is: 837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.03 : 1,276.38 = 559.26 : x
  2. Step 2: Convert to fraction form
    852.03/1,276.38 = 559.26/x
  3. Step 3: Cross multiply
    852.03x = 1,276.38 × 559.26
  4. Step 4: Simplify right side
    852.03x = 713,828.28
  5. Step 5: Solve for x
    x = 713,828.28/852.03
  6. Step 6: Final answer
    x = 837.80

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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.