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Finding the Fourth Proportional to 494.09, 681.02 and 375.93

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Solution

The fourth proportional to 494.09, 681.02 and 375.93 is: 518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.09 : 681.02 = 375.93 : x
  2. Step 2: Convert to fraction form
    494.09/681.02 = 375.93/x
  3. Step 3: Cross multiply
    494.09x = 681.02 × 375.93
  4. Step 4: Simplify right side
    494.09x = 256,015.85
  5. Step 5: Solve for x
    x = 256,015.85/494.09
  6. Step 6: Final answer
    x = 518.16

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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.