Finding the Fourth Proportional to 482.10, 665.36 and 349.75
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Solution
The fourth proportional to 482.10, 665.36 and 349.75 is: 482.70
Step by Step Solution
- Step 1: Write the proportion equation
482.10 : 665.36 = 349.75 : x - Step 2: Convert to fraction form
482.10/665.36 = 349.75/x - Step 3: Cross multiply
482.10x = 665.36 × 349.75 - Step 4: Simplify right side
482.10x = 232,708.87 - Step 5: Solve for x
x = 232,708.87/482.10 - Step 6: Final answer
x = 482.70
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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.