Finding the Fourth Proportional to 784.97, 1,177.01 and 236.99
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Solution
The fourth proportional to 784.97, 1,177.01 and 236.99 is: 355.35
Step by Step Solution
- Step 1: Write the proportion equation
784.97 : 1,177.01 = 236.99 : x - Step 2: Convert to fraction form
784.97/1,177.01 = 236.99/x - Step 3: Cross multiply
784.97x = 1,177.01 × 236.99 - Step 4: Simplify right side
784.97x = 278,938.41 - Step 5: Solve for x
x = 278,938.41/784.97 - Step 6: Final answer
x = 355.35
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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.