Finding the Fourth Proportional to 352.36, 528.08 and 157.42
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Solution
The fourth proportional to 352.36, 528.08 and 157.42 is: 235.92
Step by Step Solution
- Step 1: Write the proportion equation
352.36 : 528.08 = 157.42 : x - Step 2: Convert to fraction form
352.36/528.08 = 157.42/x - Step 3: Cross multiply
352.36x = 528.08 × 157.42 - Step 4: Simplify right side
352.36x = 83,128.25 - Step 5: Solve for x
x = 83,128.25/352.36 - Step 6: Final answer
x = 235.92
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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.