Finding the Fourth Proportional to 702.11, 1,052.40 and 290.99
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Solution
The fourth proportional to 702.11, 1,052.40 and 290.99 is: 436.16
Step by Step Solution
- Step 1: Write the proportion equation
702.11 : 1,052.40 = 290.99 : x - Step 2: Convert to fraction form
702.11/1,052.40 = 290.99/x - Step 3: Cross multiply
702.11x = 1,052.40 × 290.99 - Step 4: Simplify right side
702.11x = 306,232.61 - Step 5: Solve for x
x = 306,232.61/702.11 - Step 6: Final answer
x = 436.16
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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.