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Finding the Fourth Proportional to 894.83, 1,341.23 and 483.21

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Solution

The fourth proportional to 894.83, 1,341.23 and 483.21 is: 724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.83 : 1,341.23 = 483.21 : x
  2. Step 2: Convert to fraction form
    894.83/1,341.23 = 483.21/x
  3. Step 3: Cross multiply
    894.83x = 1,341.23 × 483.21
  4. Step 4: Simplify right side
    894.83x = 648,093.33
  5. Step 5: Solve for x
    x = 648,093.33/894.83
  6. Step 6: Final answer
    x = 724.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.