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Finding the Fourth Proportional to 650.07, 895.59 and 518.85

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Solution

The fourth proportional to 650.07, 895.59 and 518.85 is: 714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.07 : 895.59 = 518.85 : x
  2. Step 2: Convert to fraction form
    650.07/895.59 = 518.85/x
  3. Step 3: Cross multiply
    650.07x = 895.59 × 518.85
  4. Step 4: Simplify right side
    650.07x = 464,676.87
  5. Step 5: Solve for x
    x = 464,676.87/650.07
  6. Step 6: Final answer
    x = 714.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.