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Finding the Fourth Proportional to 270.67, 373.53 and 211.73

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Solution

The fourth proportional to 270.67, 373.53 and 211.73 is: 292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.67 : 373.53 = 211.73 : x
  2. Step 2: Convert to fraction form
    270.67/373.53 = 211.73/x
  3. Step 3: Cross multiply
    270.67x = 373.53 × 211.73
  4. Step 4: Simplify right side
    270.67x = 79,087.51
  5. Step 5: Solve for x
    x = 79,087.51/270.67
  6. Step 6: Final answer
    x = 292.19

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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.