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Finding the Fourth Proportional to 650.85, 893.36 and 579.34

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Solution

The fourth proportional to 650.85, 893.36 and 579.34 is: 795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.85 : 893.36 = 579.34 : x
  2. Step 2: Convert to fraction form
    650.85/893.36 = 579.34/x
  3. Step 3: Cross multiply
    650.85x = 893.36 × 579.34
  4. Step 4: Simplify right side
    650.85x = 517,559.18
  5. Step 5: Solve for x
    x = 517,559.18/650.85
  6. Step 6: Final answer
    x = 795.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.