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Finding the Fourth Proportional to 1,175.96, 1,763.94 and 737.48

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Solution

The fourth proportional to 1,175.96, 1,763.94 and 737.48 is: 1,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.96 : 1,763.94 = 737.48 : x
  2. Step 2: Convert to fraction form
    1,175.96/1,763.94 = 737.48/x
  3. Step 3: Cross multiply
    1,175.96x = 1,763.94 × 737.48
  4. Step 4: Simplify right side
    1,175.96x = 1,300,870.47
  5. Step 5: Solve for x
    x = 1,300,870.47/1,175.96
  6. Step 6: Final answer
    x = 1,106.22

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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.