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Finding the Fourth Proportional to 272.02, 372.94 and 259.27

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Solution

The fourth proportional to 272.02, 372.94 and 259.27 is: 355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.02 : 372.94 = 259.27 : x
  2. Step 2: Convert to fraction form
    272.02/372.94 = 259.27/x
  3. Step 3: Cross multiply
    272.02x = 372.94 × 259.27
  4. Step 4: Simplify right side
    272.02x = 96,692.15
  5. Step 5: Solve for x
    x = 96,692.15/272.02
  6. Step 6: Final answer
    x = 355.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.