Finding the Fourth Proportional to 341.12, 511.36 and 170.08
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Solution
The fourth proportional to 341.12, 511.36 and 170.08 is: 254.96
Step by Step Solution
- Step 1: Write the proportion equation
341.12 : 511.36 = 170.08 : x - Step 2: Convert to fraction form
341.12/511.36 = 170.08/x - Step 3: Cross multiply
341.12x = 511.36 × 170.08 - Step 4: Simplify right side
341.12x = 86,972.11 - Step 5: Solve for x
x = 86,972.11/341.12 - Step 6: Final answer
x = 254.96
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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.