Finding the Fourth Proportional to 193.19, 289.44 and 101.93
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Solution
The fourth proportional to 193.19, 289.44 and 101.93 is: 152.71
Step by Step Solution
- Step 1: Write the proportion equation
193.19 : 289.44 = 101.93 : x - Step 2: Convert to fraction form
193.19/289.44 = 101.93/x - Step 3: Cross multiply
193.19x = 289.44 × 101.93 - Step 4: Simplify right side
193.19x = 29,501.17 - Step 5: Solve for x
x = 29,501.17/193.19 - Step 6: Final answer
x = 152.71
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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.