Finding the Fourth Proportional to 325.34, 448.98 and 177.99
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Solution
The fourth proportional to 325.34, 448.98 and 177.99 is: 245.64
Step by Step Solution
- Step 1: Write the proportion equation
325.34 : 448.98 = 177.99 : x - Step 2: Convert to fraction form
325.34/448.98 = 177.99/x - Step 3: Cross multiply
325.34x = 448.98 × 177.99 - Step 4: Simplify right side
325.34x = 79,913.95 - Step 5: Solve for x
x = 79,913.95/325.34 - Step 6: Final answer
x = 245.64
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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.