Finding the Fourth Proportional to 291.26, 436.99 and 117.97
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Solution
The fourth proportional to 291.26, 436.99 and 117.97 is: 176.99
Step by Step Solution
- Step 1: Write the proportion equation
291.26 : 436.99 = 117.97 : x - Step 2: Convert to fraction form
291.26/436.99 = 117.97/x - Step 3: Cross multiply
291.26x = 436.99 × 117.97 - Step 4: Simplify right side
291.26x = 51,549.53 - Step 5: Solve for x
x = 51,549.53/291.26 - Step 6: Final answer
x = 176.99
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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.