Finding the Fourth Proportional to 346.47, 519.72 and 163.99
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Solution
The fourth proportional to 346.47, 519.72 and 163.99 is: 245.99
Step by Step Solution
- Step 1: Write the proportion equation
346.47 : 519.72 = 163.99 : x - Step 2: Convert to fraction form
346.47/519.72 = 163.99/x - Step 3: Cross multiply
346.47x = 519.72 × 163.99 - Step 4: Simplify right side
346.47x = 85,228.88 - Step 5: Solve for x
x = 85,228.88/346.47 - Step 6: Final answer
x = 245.99
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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.