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Finding the Fourth Proportional to 788.06, 1,182.28 and 377.08

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Solution

The fourth proportional to 788.06, 1,182.28 and 377.08 is: 565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788.06 : 1,182.28 = 377.08 : x
  2. Step 2: Convert to fraction form
    788.06/1,182.28 = 377.08/x
  3. Step 3: Cross multiply
    788.06x = 1,182.28 × 377.08
  4. Step 4: Simplify right side
    788.06x = 445,814.14
  5. Step 5: Solve for x
    x = 445,814.14/788.06
  6. Step 6: Final answer
    x = 565.71

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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.