Finding the Fourth Proportional to 369.19, 553.79 and 176.95
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Solution
The fourth proportional to 369.19, 553.79 and 176.95 is: 265.43
Step by Step Solution
- Step 1: Write the proportion equation
369.19 : 553.79 = 176.95 : x - Step 2: Convert to fraction form
369.19/553.79 = 176.95/x - Step 3: Cross multiply
369.19x = 553.79 × 176.95 - Step 4: Simplify right side
369.19x = 97,993.14 - Step 5: Solve for x
x = 97,993.14/369.19 - Step 6: Final answer
x = 265.43
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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.