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Finding the Fourth Proportional to 675.27, 931.84 and 376.52

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Solution

The fourth proportional to 675.27, 931.84 and 376.52 is: 519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.27 : 931.84 = 376.52 : x
  2. Step 2: Convert to fraction form
    675.27/931.84 = 376.52/x
  3. Step 3: Cross multiply
    675.27x = 931.84 × 376.52
  4. Step 4: Simplify right side
    675.27x = 350,850.80
  5. Step 5: Solve for x
    x = 350,850.80/675.27
  6. Step 6: Final answer
    x = 519.57

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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.