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Finding the Fourth Proportional to 893.00, 1,339.45 and 372.73

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Solution

The fourth proportional to 893.00, 1,339.45 and 372.73 is: 559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.00 : 1,339.45 = 372.73 : x
  2. Step 2: Convert to fraction form
    893.00/1,339.45 = 372.73/x
  3. Step 3: Cross multiply
    893.00x = 1,339.45 × 372.73
  4. Step 4: Simplify right side
    893.00x = 499,253.60
  5. Step 5: Solve for x
    x = 499,253.60/893.00
  6. Step 6: Final answer
    x = 559.08

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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.