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Finding the Fourth Proportional to 634.44, 945.25 and 603.46

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Solution

The fourth proportional to 634.44, 945.25 and 603.46 is: 899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.44 : 945.25 = 603.46 : x
  2. Step 2: Convert to fraction form
    634.44/945.25 = 603.46/x
  3. Step 3: Cross multiply
    634.44x = 945.25 × 603.46
  4. Step 4: Simplify right side
    634.44x = 570,420.57
  5. Step 5: Solve for x
    x = 570,420.57/634.44
  6. Step 6: Final answer
    x = 899.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.