Finding the Fourth Proportional to 482.68, 666.14 and 286.23
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Solution
The fourth proportional to 482.68, 666.14 and 286.23 is: 395.02
Step by Step Solution
- Step 1: Write the proportion equation
482.68 : 666.14 = 286.23 : x - Step 2: Convert to fraction form
482.68/666.14 = 286.23/x - Step 3: Cross multiply
482.68x = 666.14 × 286.23 - Step 4: Simplify right side
482.68x = 190,669.25 - Step 5: Solve for x
x = 190,669.25/482.68 - Step 6: Final answer
x = 395.02
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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.