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Finding the Fourth Proportional to 494.07, 741.36 and 250.57

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Solution

The fourth proportional to 494.07, 741.36 and 250.57 is: 375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.07 : 741.36 = 250.57 : x
  2. Step 2: Convert to fraction form
    494.07/741.36 = 250.57/x
  3. Step 3: Cross multiply
    494.07x = 741.36 × 250.57
  4. Step 4: Simplify right side
    494.07x = 185,762.58
  5. Step 5: Solve for x
    x = 185,762.58/494.07
  6. Step 6: Final answer
    x = 375.98

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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.