Finding the Fourth Proportional to 356.79, 534.62 and 192.26
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Solution
The fourth proportional to 356.79, 534.62 and 192.26 is: 288.08
Step by Step Solution
- Step 1: Write the proportion equation
356.79 : 534.62 = 192.26 : x - Step 2: Convert to fraction form
356.79/534.62 = 192.26/x - Step 3: Cross multiply
356.79x = 534.62 × 192.26 - Step 4: Simplify right side
356.79x = 102,782.41 - Step 5: Solve for x
x = 102,782.41/356.79 - Step 6: Final answer
x = 288.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.