Finding the Fourth Proportional to 349.64, 482.08 and 283.96
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Solution
The fourth proportional to 349.64, 482.08 and 283.96 is: 391.52
Step by Step Solution
- Step 1: Write the proportion equation
349.64 : 482.08 = 283.96 : x - Step 2: Convert to fraction form
349.64/482.08 = 283.96/x - Step 3: Cross multiply
349.64x = 482.08 × 283.96 - Step 4: Simplify right side
349.64x = 136,891.44 - Step 5: Solve for x
x = 136,891.44/349.64 - Step 6: Final answer
x = 391.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.