Finding the Fourth Proportional to 277.99, 383.63 and 153.68
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Solution
The fourth proportional to 277.99, 383.63 and 153.68 is: 212.07
Step by Step Solution
- Step 1: Write the proportion equation
277.99 : 383.63 = 153.68 : x - Step 2: Convert to fraction form
277.99/383.63 = 153.68/x - Step 3: Cross multiply
277.99x = 383.63 × 153.68 - Step 4: Simplify right side
277.99x = 58,955.19 - Step 5: Solve for x
x = 58,955.19/277.99 - Step 6: Final answer
x = 212.07
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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.