Finding the Fourth Proportional to 194.04, 290.91 and 132.99
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Solution
The fourth proportional to 194.04, 290.91 and 132.99 is: 199.38
Step by Step Solution
- Step 1: Write the proportion equation
194.04 : 290.91 = 132.99 : x - Step 2: Convert to fraction form
194.04/290.91 = 132.99/x - Step 3: Cross multiply
194.04x = 290.91 × 132.99 - Step 4: Simplify right side
194.04x = 38,688.12 - Step 5: Solve for x
x = 38,688.12/194.04 - Step 6: Final answer
x = 199.38
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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.