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Finding the Fourth Proportional to 494.72, 741.52 and 372.60

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Solution

The fourth proportional to 494.72, 741.52 and 372.60 is: 558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.72 : 741.52 = 372.60 : x
  2. Step 2: Convert to fraction form
    494.72/741.52 = 372.60/x
  3. Step 3: Cross multiply
    494.72x = 741.52 × 372.60
  4. Step 4: Simplify right side
    494.72x = 276,290.35
  5. Step 5: Solve for x
    x = 276,290.35/494.72
  6. Step 6: Final answer
    x = 558.48

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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.