Finding the Fourth Proportional to 130.17, 195.26 and 33.99
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Solution
The fourth proportional to 130.17, 195.26 and 33.99 is: 50.99
Step by Step Solution
- Step 1: Write the proportion equation
130.17 : 195.26 = 33.99 : x - Step 2: Convert to fraction form
130.17/195.26 = 33.99/x - Step 3: Cross multiply
130.17x = 195.26 × 33.99 - Step 4: Simplify right side
130.17x = 6,636.89 - Step 5: Solve for x
x = 6,636.89/130.17 - Step 6: Final answer
x = 50.99
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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.