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Finding the Fourth Proportional to 619.08, 927.18 and 583.08

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Solution

The fourth proportional to 619.08, 927.18 and 583.08 is: 873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.08 : 927.18 = 583.08 : x
  2. Step 2: Convert to fraction form
    619.08/927.18 = 583.08/x
  3. Step 3: Cross multiply
    619.08x = 927.18 × 583.08
  4. Step 4: Simplify right side
    619.08x = 540,620.11
  5. Step 5: Solve for x
    x = 540,620.11/619.08
  6. Step 6: Final answer
    x = 873.26

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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.