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Finding the Fourth Proportional to 454.09, 683.94 and 432.22

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Solution

The fourth proportional to 454.09, 683.94 and 432.22 is: 651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.09 : 683.94 = 432.22 : x
  2. Step 2: Convert to fraction form
    454.09/683.94 = 432.22/x
  3. Step 3: Cross multiply
    454.09x = 683.94 × 432.22
  4. Step 4: Simplify right side
    454.09x = 295,608.88
  5. Step 5: Solve for x
    x = 295,608.88/454.09
  6. Step 6: Final answer
    x = 651.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.