Finding the Fourth Proportional to 135.64, 203.24 and 95.12
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Solution
The fourth proportional to 135.64, 203.24 and 95.12 is: 142.53
Step by Step Solution
- Step 1: Write the proportion equation
135.64 : 203.24 = 95.12 : x - Step 2: Convert to fraction form
135.64/203.24 = 95.12/x - Step 3: Cross multiply
135.64x = 203.24 × 95.12 - Step 4: Simplify right side
135.64x = 19,332.19 - Step 5: Solve for x
x = 19,332.19/135.64 - Step 6: Final answer
x = 142.53
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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.