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Finding the Fourth Proportional to 650.86, 975.60 and 559.28

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Solution

The fourth proportional to 650.86, 975.60 and 559.28 is: 838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.86 : 975.60 = 559.28 : x
  2. Step 2: Convert to fraction form
    650.86/975.60 = 559.28/x
  3. Step 3: Cross multiply
    650.86x = 975.60 × 559.28
  4. Step 4: Simplify right side
    650.86x = 545,633.57
  5. Step 5: Solve for x
    x = 545,633.57/650.86
  6. Step 6: Final answer
    x = 838.33

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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.