Finding the Fourth Proportional to 302.11, 416.99 and 176.18
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Solution
The fourth proportional to 302.11, 416.99 and 176.18 is: 243.17
Step by Step Solution
- Step 1: Write the proportion equation
302.11 : 416.99 = 176.18 : x - Step 2: Convert to fraction form
302.11/416.99 = 176.18/x - Step 3: Cross multiply
302.11x = 416.99 × 176.18 - Step 4: Simplify right side
302.11x = 73,464.10 - Step 5: Solve for x
x = 73,464.10/302.11 - Step 6: Final answer
x = 243.17
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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.