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Finding the Fourth Proportional to 611.82, 915.77 and 337.23

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Solution

The fourth proportional to 611.82, 915.77 and 337.23 is: 504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.82 : 915.77 = 337.23 : x
  2. Step 2: Convert to fraction form
    611.82/915.77 = 337.23/x
  3. Step 3: Cross multiply
    611.82x = 915.77 × 337.23
  4. Step 4: Simplify right side
    611.82x = 308,825.96
  5. Step 5: Solve for x
    x = 308,825.96/611.82
  6. Step 6: Final answer
    x = 504.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.