Finding the Fourth Proportional to 346.26, 519.58 and 153.88
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Solution
The fourth proportional to 346.26, 519.58 and 153.88 is: 230.90
Step by Step Solution
- Step 1: Write the proportion equation
346.26 : 519.58 = 153.88 : x - Step 2: Convert to fraction form
346.26/519.58 = 153.88/x - Step 3: Cross multiply
346.26x = 519.58 × 153.88 - Step 4: Simplify right side
346.26x = 79,952.97 - Step 5: Solve for x
x = 79,952.97/346.26 - Step 6: Final answer
x = 230.90
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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.