Finding the Fourth Proportional to 350.15, 524.95 and 130.68
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Solution
The fourth proportional to 350.15, 524.95 and 130.68 is: 195.92
Step by Step Solution
- Step 1: Write the proportion equation
350.15 : 524.95 = 130.68 : x - Step 2: Convert to fraction form
350.15/524.95 = 130.68/x - Step 3: Cross multiply
350.15x = 524.95 × 130.68 - Step 4: Simplify right side
350.15x = 68,600.14 - Step 5: Solve for x
x = 68,600.14/350.15 - Step 6: Final answer
x = 195.92
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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.