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Finding the Fourth Proportional to 272.37, 407.77 and 246.75

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Solution

The fourth proportional to 272.37, 407.77 and 246.75 is: 369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.37 : 407.77 = 246.75 : x
  2. Step 2: Convert to fraction form
    272.37/407.77 = 246.75/x
  3. Step 3: Cross multiply
    272.37x = 407.77 × 246.75
  4. Step 4: Simplify right side
    272.37x = 100,617.25
  5. Step 5: Solve for x
    x = 100,617.25/272.37
  6. Step 6: Final answer
    x = 369.41

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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.