Finding the Fourth Proportional to 234.19, 323.44 and 146.91
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Solution
The fourth proportional to 234.19, 323.44 and 146.91 is: 202.90
Step by Step Solution
- Step 1: Write the proportion equation
234.19 : 323.44 = 146.91 : x - Step 2: Convert to fraction form
234.19/323.44 = 146.91/x - Step 3: Cross multiply
234.19x = 323.44 × 146.91 - Step 4: Simplify right side
234.19x = 47,518.24 - Step 5: Solve for x
x = 47,518.24/234.19 - Step 6: Final answer
x = 202.90
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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.