Finding the Fourth Proportional to 325.02, 448.57 and 214.99
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Solution
The fourth proportional to 325.02, 448.57 and 214.99 is: 296.71
Step by Step Solution
- Step 1: Write the proportion equation
325.02 : 448.57 = 214.99 : x - Step 2: Convert to fraction form
325.02/448.57 = 214.99/x - Step 3: Cross multiply
325.02x = 448.57 × 214.99 - Step 4: Simplify right side
325.02x = 96,438.06 - Step 5: Solve for x
x = 96,438.06/325.02 - Step 6: Final answer
x = 296.71
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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.