Finding the Fourth Proportional to 482.57, 664.94 and 371.70
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Solution
The fourth proportional to 482.57, 664.94 and 371.70 is: 512.17
Step by Step Solution
- Step 1: Write the proportion equation
482.57 : 664.94 = 371.70 : x - Step 2: Convert to fraction form
482.57/664.94 = 371.70/x - Step 3: Cross multiply
482.57x = 664.94 × 371.70 - Step 4: Simplify right side
482.57x = 247,159.13 - Step 5: Solve for x
x = 247,159.13/482.57 - Step 6: Final answer
x = 512.17
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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.