Finding the Fourth Proportional to 265.68, 366.68 and 149.28
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Solution
The fourth proportional to 265.68, 366.68 and 149.28 is: 206.03
Step by Step Solution
- Step 1: Write the proportion equation
265.68 : 366.68 = 149.28 : x - Step 2: Convert to fraction form
265.68/366.68 = 149.28/x - Step 3: Cross multiply
265.68x = 366.68 × 149.28 - Step 4: Simplify right side
265.68x = 54,737.99 - Step 5: Solve for x
x = 54,737.99/265.68 - Step 6: Final answer
x = 206.03
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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.