Finding the Fourth Proportional to 146.99, 202.57 and 117.26
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Solution
The fourth proportional to 146.99, 202.57 and 117.26 is: 161.60
Step by Step Solution
- Step 1: Write the proportion equation
146.99 : 202.57 = 117.26 : x - Step 2: Convert to fraction form
146.99/202.57 = 117.26/x - Step 3: Cross multiply
146.99x = 202.57 × 117.26 - Step 4: Simplify right side
146.99x = 23,752.35 - Step 5: Solve for x
x = 23,752.35/146.99 - Step 6: Final answer
x = 161.60
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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.