Finding the Fourth Proportional to 595.70, 822.11 and 448.08
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Solution
The fourth proportional to 595.70, 822.11 and 448.08 is: 618.38
Step by Step Solution
- Step 1: Write the proportion equation
595.70 : 822.11 = 448.08 : x - Step 2: Convert to fraction form
595.70/822.11 = 448.08/x - Step 3: Cross multiply
595.70x = 822.11 × 448.08 - Step 4: Simplify right side
595.70x = 368,371.05 - Step 5: Solve for x
x = 368,371.05/595.70 - Step 6: Final answer
x = 618.38
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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.