Finding the Fourth Proportional to 415.09, 572.97 and 365.68
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Solution
The fourth proportional to 415.09, 572.97 and 365.68 is: 504.77
Step by Step Solution
- Step 1: Write the proportion equation
415.09 : 572.97 = 365.68 : x - Step 2: Convert to fraction form
415.09/572.97 = 365.68/x - Step 3: Cross multiply
415.09x = 572.97 × 365.68 - Step 4: Simplify right side
415.09x = 209,523.67 - Step 5: Solve for x
x = 209,523.67/415.09 - Step 6: Final answer
x = 504.77
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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.