Finding the Fourth Proportional to 386.13, 578.99 and 232.10
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Solution
The fourth proportional to 386.13, 578.99 and 232.10 is: 348.03
Step by Step Solution
- Step 1: Write the proportion equation
386.13 : 578.99 = 232.10 : x - Step 2: Convert to fraction form
386.13/578.99 = 232.10/x - Step 3: Cross multiply
386.13x = 578.99 × 232.10 - Step 4: Simplify right side
386.13x = 134,383.58 - Step 5: Solve for x
x = 134,383.58/386.13 - Step 6: Final answer
x = 348.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.