Finding the Fourth Proportional to 424.13, 584.93 and 313.88
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Solution
The fourth proportional to 424.13, 584.93 and 313.88 is: 432.88
Step by Step Solution
- Step 1: Write the proportion equation
424.13 : 584.93 = 313.88 : x - Step 2: Convert to fraction form
424.13/584.93 = 313.88/x - Step 3: Cross multiply
424.13x = 584.93 × 313.88 - Step 4: Simplify right side
424.13x = 183,596.26 - Step 5: Solve for x
x = 183,596.26/424.13 - Step 6: Final answer
x = 432.88
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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.