Finding the Fourth Proportional to 302.13, 416.97 and 190.08
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Solution
The fourth proportional to 302.13, 416.97 and 190.08 is: 262.33
Step by Step Solution
- Step 1: Write the proportion equation
302.13 : 416.97 = 190.08 : x - Step 2: Convert to fraction form
302.13/416.97 = 190.08/x - Step 3: Cross multiply
302.13x = 416.97 × 190.08 - Step 4: Simplify right side
302.13x = 79,257.66 - Step 5: Solve for x
x = 79,257.66/302.13 - Step 6: Final answer
x = 262.33
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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.