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Finding the Fourth Proportional to 628.63, 867.60 and 600.94

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Solution

The fourth proportional to 628.63, 867.60 and 600.94 is: 829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.63 : 867.60 = 600.94 : x
  2. Step 2: Convert to fraction form
    628.63/867.60 = 600.94/x
  3. Step 3: Cross multiply
    628.63x = 867.60 × 600.94
  4. Step 4: Simplify right side
    628.63x = 521,375.54
  5. Step 5: Solve for x
    x = 521,375.54/628.63
  6. Step 6: Final answer
    x = 829.38

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1.5x scale

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.