Finding the Fourth Proportional to 302.16, 416.99 and 171.17
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Solution
The fourth proportional to 302.16, 416.99 and 171.17 is: 236.21
Step by Step Solution
- Step 1: Write the proportion equation
302.16 : 416.99 = 171.17 : x - Step 2: Convert to fraction form
302.16/416.99 = 171.17/x - Step 3: Cross multiply
302.16x = 416.99 × 171.17 - Step 4: Simplify right side
302.16x = 71,373.24 - Step 5: Solve for x
x = 71,373.24/302.16 - Step 6: Final answer
x = 236.21
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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.