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Finding the Fourth Proportional to 1,104.99, 1,657.36 and 374.57

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Solution

The fourth proportional to 1,104.99, 1,657.36 and 374.57 is: 561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.99 : 1,657.36 = 374.57 : x
  2. Step 2: Convert to fraction form
    1,104.99/1,657.36 = 374.57/x
  3. Step 3: Cross multiply
    1,104.99x = 1,657.36 × 374.57
  4. Step 4: Simplify right side
    1,104.99x = 620,797.34
  5. Step 5: Solve for x
    x = 620,797.34/1,104.99
  6. Step 6: Final answer
    x = 561.81

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Double scale
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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.