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Finding the Fourth Proportional to 680.00, 937.98 and 483.77

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Solution

The fourth proportional to 680.00, 937.98 and 483.77 is: 667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    680.00 : 937.98 = 483.77 : x
  2. Step 2: Convert to fraction form
    680.00/937.98 = 483.77/x
  3. Step 3: Cross multiply
    680.00x = 937.98 × 483.77
  4. Step 4: Simplify right side
    680.00x = 453,768.93
  5. Step 5: Solve for x
    x = 453,768.93/680.00
  6. Step 6: Final answer
    x = 667.31

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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.