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Finding the Fourth Proportional to 1,255.41, 1,883.42 and 377.93

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Solution

The fourth proportional to 1,255.41, 1,883.42 and 377.93 is: 566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.41 : 1,883.42 = 377.93 : x
  2. Step 2: Convert to fraction form
    1,255.41/1,883.42 = 377.93/x
  3. Step 3: Cross multiply
    1,255.41x = 1,883.42 × 377.93
  4. Step 4: Simplify right side
    1,255.41x = 711,789.61
  5. Step 5: Solve for x
    x = 711,789.61/1,255.41
  6. Step 6: Final answer
    x = 566.98

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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.