Finding the Fourth Proportional to 228.21, 314.99 and 183.93
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Solution
The fourth proportional to 228.21, 314.99 and 183.93 is: 253.87
Step by Step Solution
- Step 1: Write the proportion equation
228.21 : 314.99 = 183.93 : x - Step 2: Convert to fraction form
228.21/314.99 = 183.93/x - Step 3: Cross multiply
228.21x = 314.99 × 183.93 - Step 4: Simplify right side
228.21x = 57,936.11 - Step 5: Solve for x
x = 57,936.11/228.21 - Step 6: Final answer
x = 253.87
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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.