Finding the Fourth Proportional to 818.00, 1,128.84 and 444.99
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Solution
The fourth proportional to 818.00, 1,128.84 and 444.99 is: 614.09
Step by Step Solution
- Step 1: Write the proportion equation
818.00 : 1,128.84 = 444.99 : x - Step 2: Convert to fraction form
818.00/1,128.84 = 444.99/x - Step 3: Cross multiply
818.00x = 1,128.84 × 444.99 - Step 4: Simplify right side
818.00x = 502,325.08 - Step 5: Solve for x
x = 502,325.08/818.00 - Step 6: Final answer
x = 614.09
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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.