Finding the Fourth Proportional to 339.49, 509.19 and 95.99
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Solution
The fourth proportional to 339.49, 509.19 and 95.99 is: 143.96
Step by Step Solution
- Step 1: Write the proportion equation
339.49 : 509.19 = 95.99 : x - Step 2: Convert to fraction form
339.49/509.19 = 95.99/x - Step 3: Cross multiply
339.49x = 509.19 × 95.99 - Step 4: Simplify right side
339.49x = 48,874.24 - Step 5: Solve for x
x = 48,874.24/339.49 - Step 6: Final answer
x = 143.96
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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.