Finding the Fourth Proportional to 170.99, 256.53 and 68.26
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Solution
The fourth proportional to 170.99, 256.53 and 68.26 is: 102.41
Step by Step Solution
- Step 1: Write the proportion equation
170.99 : 256.53 = 68.26 : x - Step 2: Convert to fraction form
170.99/256.53 = 68.26/x - Step 3: Cross multiply
170.99x = 256.53 × 68.26 - Step 4: Simplify right side
170.99x = 17,510.74 - Step 5: Solve for x
x = 17,510.74/170.99 - Step 6: Final answer
x = 102.41
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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.