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Finding the Fourth Proportional to 271.53, 373.51 and 238.18

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Solution

The fourth proportional to 271.53, 373.51 and 238.18 is: 327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.53 : 373.51 = 238.18 : x
  2. Step 2: Convert to fraction form
    271.53/373.51 = 238.18/x
  3. Step 3: Cross multiply
    271.53x = 373.51 × 238.18
  4. Step 4: Simplify right side
    271.53x = 88,962.61
  5. Step 5: Solve for x
    x = 88,962.61/271.53
  6. Step 6: Final answer
    x = 327.63

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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.