Finding the Fourth Proportional to 153.31, 228.73 and 134.02
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Solution
The fourth proportional to 153.31, 228.73 and 134.02 is: 199.95
Step by Step Solution
- Step 1: Write the proportion equation
153.31 : 228.73 = 134.02 : x - Step 2: Convert to fraction form
153.31/228.73 = 134.02/x - Step 3: Cross multiply
153.31x = 228.73 × 134.02 - Step 4: Simplify right side
153.31x = 30,654.39 - Step 5: Solve for x
x = 30,654.39/153.31 - Step 6: Final answer
x = 199.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.