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Finding the Fourth Proportional to 1,163.94, 1,745.93 and 383.95

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Solution

The fourth proportional to 1,163.94, 1,745.93 and 383.95 is: 575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.94 : 1,745.93 = 383.95 : x
  2. Step 2: Convert to fraction form
    1,163.94/1,745.93 = 383.95/x
  3. Step 3: Cross multiply
    1,163.94x = 1,745.93 × 383.95
  4. Step 4: Simplify right side
    1,163.94x = 670,349.82
  5. Step 5: Solve for x
    x = 670,349.82/1,163.94
  6. Step 6: Final answer
    x = 575.93

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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.