Finding the Fourth Proportional to 325.23, 448.70 and 207.18
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Solution
The fourth proportional to 325.23, 448.70 and 207.18 is: 285.83
Step by Step Solution
- Step 1: Write the proportion equation
325.23 : 448.70 = 207.18 : x - Step 2: Convert to fraction form
325.23/448.70 = 207.18/x - Step 3: Cross multiply
325.23x = 448.70 × 207.18 - Step 4: Simplify right side
325.23x = 92,960.63 - Step 5: Solve for x
x = 92,960.63/325.23 - Step 6: Final answer
x = 285.83
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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.