Finding the Fourth Proportional to 940.14, 1,297.08 and 608.99
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Solution
The fourth proportional to 940.14, 1,297.08 and 608.99 is: 840.20
Step by Step Solution
- Step 1: Write the proportion equation
940.14 : 1,297.08 = 608.99 : x - Step 2: Convert to fraction form
940.14/1,297.08 = 608.99/x - Step 3: Cross multiply
940.14x = 1,297.08 × 608.99 - Step 4: Simplify right side
940.14x = 789,902.26 - Step 5: Solve for x
x = 789,902.26/940.14 - Step 6: Final answer
x = 840.20
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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.