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Finding the Fourth Proportional to 1,498.77, 2,247.75 and 804.60

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Solution

The fourth proportional to 1,498.77, 2,247.75 and 804.60 is: 1,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.77 : 2,247.75 = 804.60 : x
  2. Step 2: Convert to fraction form
    1,498.77/2,247.75 = 804.60/x
  3. Step 3: Cross multiply
    1,498.77x = 2,247.75 × 804.60
  4. Step 4: Simplify right side
    1,498.77x = 1,808,539.65
  5. Step 5: Solve for x
    x = 1,808,539.65/1,498.77
  6. Step 6: Final answer
    x = 1,206.68

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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.