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Finding the Fourth Proportional to 1,196.08, 1,650.93 and 723.98

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Solution

The fourth proportional to 1,196.08, 1,650.93 and 723.98 is: 999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.08 : 1,650.93 = 723.98 : x
  2. Step 2: Convert to fraction form
    1,196.08/1,650.93 = 723.98/x
  3. Step 3: Cross multiply
    1,196.08x = 1,650.93 × 723.98
  4. Step 4: Simplify right side
    1,196.08x = 1,195,232.05
  5. Step 5: Solve for x
    x = 1,195,232.05/1,196.08
  6. Step 6: Final answer
    x = 999.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.