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Finding the Fourth Proportional to 1,027.37, 1,541.07 and 296.95

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Solution

The fourth proportional to 1,027.37, 1,541.07 and 296.95 is: 445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.37 : 1,541.07 = 296.95 : x
  2. Step 2: Convert to fraction form
    1,027.37/1,541.07 = 296.95/x
  3. Step 3: Cross multiply
    1,027.37x = 1,541.07 × 296.95
  4. Step 4: Simplify right side
    1,027.37x = 457,611.55
  5. Step 5: Solve for x
    x = 457,611.55/1,027.37
  6. Step 6: Final answer
    x = 445.42

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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.