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Finding the Fourth Proportional to 272.85, 374.66 and 271.77

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Solution

The fourth proportional to 272.85, 374.66 and 271.77 is: 373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.85 : 374.66 = 271.77 : x
  2. Step 2: Convert to fraction form
    272.85/374.66 = 271.77/x
  3. Step 3: Cross multiply
    272.85x = 374.66 × 271.77
  4. Step 4: Simplify right side
    272.85x = 101,819.99
  5. Step 5: Solve for x
    x = 101,819.99/272.85
  6. Step 6: Final answer
    x = 373.17

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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.