Finding the Fourth Proportional to 332.45, 498.42 and 126.99
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Solution
The fourth proportional to 332.45, 498.42 and 126.99 is: 190.39
Step by Step Solution
- Step 1: Write the proportion equation
332.45 : 498.42 = 126.99 : x - Step 2: Convert to fraction form
332.45/498.42 = 126.99/x - Step 3: Cross multiply
332.45x = 498.42 × 126.99 - Step 4: Simplify right side
332.45x = 63,294.36 - Step 5: Solve for x
x = 63,294.36/332.45 - Step 6: Final answer
x = 190.39
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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.