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Finding the Fourth Proportional to 272.71, 376.33 and 153.07

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Solution

The fourth proportional to 272.71, 376.33 and 153.07 is: 211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.71 : 376.33 = 153.07 : x
  2. Step 2: Convert to fraction form
    272.71/376.33 = 153.07/x
  3. Step 3: Cross multiply
    272.71x = 376.33 × 153.07
  4. Step 4: Simplify right side
    272.71x = 57,603.60
  5. Step 5: Solve for x
    x = 57,603.60/272.71
  6. Step 6: Final answer
    x = 211.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.