Finding the Fourth Proportional to 224.63, 336.93 and 87.65
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Solution
The fourth proportional to 224.63, 336.93 and 87.65 is: 131.47
Step by Step Solution
- Step 1: Write the proportion equation
224.63 : 336.93 = 87.65 : x - Step 2: Convert to fraction form
224.63/336.93 = 87.65/x - Step 3: Cross multiply
224.63x = 336.93 × 87.65 - Step 4: Simplify right side
224.63x = 29,531.91 - Step 5: Solve for x
x = 29,531.91/224.63 - Step 6: Final answer
x = 131.47
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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.