Finding the Fourth Proportional to 573.12, 791.04 and 365.76
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Solution
The fourth proportional to 573.12, 791.04 and 365.76 is: 504.83
Step by Step Solution
- Step 1: Write the proportion equation
573.12 : 791.04 = 365.76 : x - Step 2: Convert to fraction form
573.12/791.04 = 365.76/x - Step 3: Cross multiply
573.12x = 791.04 × 365.76 - Step 4: Simplify right side
573.12x = 289,330.79 - Step 5: Solve for x
x = 289,330.79/573.12 - Step 6: Final answer
x = 504.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.