Finding the Fourth Proportional to 236.16, 354.24 and 160
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Solution
The fourth proportional to 236.16, 354.24 and 160 is: 240
Step by Step Solution
- Step 1: Write the proportion equation
236.16 : 354.24 = 160 : x - Step 2: Convert to fraction form
236.16/354.24 = 160/x - Step 3: Cross multiply
236.16x = 354.24 × 160 - Step 4: Simplify right side
236.16x = 56,678.40 - Step 5: Solve for x
x = 56,678.40/236.16 - Step 6: Final answer
x = 240
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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.