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Finding the Fourth Proportional to 894.70, 1,233.95 and 673.26

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Solution

The fourth proportional to 894.70, 1,233.95 and 673.26 is: 928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.70 : 1,233.95 = 673.26 : x
  2. Step 2: Convert to fraction form
    894.70/1,233.95 = 673.26/x
  3. Step 3: Cross multiply
    894.70x = 1,233.95 × 673.26
  4. Step 4: Simplify right side
    894.70x = 830,769.18
  5. Step 5: Solve for x
    x = 830,769.18/894.70
  6. Step 6: Final answer
    x = 928.54

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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.