Finding the Fourth Proportional to 863.81, 1,193.15 and 602.99
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Solution
The fourth proportional to 863.81, 1,193.15 and 602.99 is: 832.89
Step by Step Solution
- Step 1: Write the proportion equation
863.81 : 1,193.15 = 602.99 : x - Step 2: Convert to fraction form
863.81/1,193.15 = 602.99/x - Step 3: Cross multiply
863.81x = 1,193.15 × 602.99 - Step 4: Simplify right side
863.81x = 719,453.06 - Step 5: Solve for x
x = 719,453.06/863.81 - Step 6: Final answer
x = 832.89
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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.