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Finding the Fourth Proportional to 454.51, 623.44 and 450.60

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Solution

The fourth proportional to 454.51, 623.44 and 450.60 is: 618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.51 : 623.44 = 450.60 : x
  2. Step 2: Convert to fraction form
    454.51/623.44 = 450.60/x
  3. Step 3: Cross multiply
    454.51x = 623.44 × 450.60
  4. Step 4: Simplify right side
    454.51x = 280,922.06
  5. Step 5: Solve for x
    x = 280,922.06/454.51
  6. Step 6: Final answer
    x = 618.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.