Finding the Fourth Proportional to 349.44, 482.08 and 209.44
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Solution
The fourth proportional to 349.44, 482.08 and 209.44 is: 288.94
Step by Step Solution
- Step 1: Write the proportion equation
349.44 : 482.08 = 209.44 : x - Step 2: Convert to fraction form
349.44/482.08 = 209.44/x - Step 3: Cross multiply
349.44x = 482.08 × 209.44 - Step 4: Simplify right side
349.44x = 100,966.84 - Step 5: Solve for x
x = 100,966.84/349.44 - Step 6: Final answer
x = 288.94
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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.