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Finding the Fourth Proportional to 271.09, 373.67 and 258.94

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Solution

The fourth proportional to 271.09, 373.67 and 258.94 is: 356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.09 : 373.67 = 258.94 : x
  2. Step 2: Convert to fraction form
    271.09/373.67 = 258.94/x
  3. Step 3: Cross multiply
    271.09x = 373.67 × 258.94
  4. Step 4: Simplify right side
    271.09x = 96,755.88
  5. Step 5: Solve for x
    x = 96,755.88/271.09
  6. Step 6: Final answer
    x = 356.92

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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.