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Finding the Fourth Proportional to 371, 511.82 and 244.93

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Solution

The fourth proportional to 371, 511.82 and 244.93 is: 337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371 : 511.82 = 244.93 : x
  2. Step 2: Convert to fraction form
    371/511.82 = 244.93/x
  3. Step 3: Cross multiply
    371x = 511.82 × 244.93
  4. Step 4: Simplify right side
    371x = 125,360.07
  5. Step 5: Solve for x
    x = 125,360.07/371
  6. Step 6: Final answer
    x = 337.90

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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.