Finding the Fourth Proportional to 170.48, 254.08 and 170.21
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Solution
The fourth proportional to 170.48, 254.08 and 170.21 is: 253.68
Step by Step Solution
- Step 1: Write the proportion equation
170.48 : 254.08 = 170.21 : x - Step 2: Convert to fraction form
170.48/254.08 = 170.21/x - Step 3: Cross multiply
170.48x = 254.08 × 170.21 - Step 4: Simplify right side
170.48x = 43,246.96 - Step 5: Solve for x
x = 43,246.96/170.48 - Step 6: Final answer
x = 253.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.