Finding the Fourth Proportional to 210.93, 317.12 and 170.63
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Solution
The fourth proportional to 210.93, 317.12 and 170.63 is: 256.53
Step by Step Solution
- Step 1: Write the proportion equation
210.93 : 317.12 = 170.63 : x - Step 2: Convert to fraction form
210.93/317.12 = 170.63/x - Step 3: Cross multiply
210.93x = 317.12 × 170.63 - Step 4: Simplify right side
210.93x = 54,110.19 - Step 5: Solve for x
x = 54,110.19/210.93 - Step 6: Final answer
x = 256.53
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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.