Finding the Fourth Proportional to 235.10, 324.36 and 147.75
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Solution
The fourth proportional to 235.10, 324.36 and 147.75 is: 203.85
Step by Step Solution
- Step 1: Write the proportion equation
235.10 : 324.36 = 147.75 : x - Step 2: Convert to fraction form
235.10/324.36 = 147.75/x - Step 3: Cross multiply
235.10x = 324.36 × 147.75 - Step 4: Simplify right side
235.10x = 47,924.19 - Step 5: Solve for x
x = 47,924.19/235.10 - Step 6: Final answer
x = 203.85
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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.