Finding the Fourth Proportional to 73.29, 101.14 and 40.55
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Solution
The fourth proportional to 73.29, 101.14 and 40.55 is: 55.95
Step by Step Solution
- Step 1: Write the proportion equation
73.29 : 101.14 = 40.55 : x - Step 2: Convert to fraction form
73.29/101.14 = 40.55/x - Step 3: Cross multiply
73.29x = 101.14 × 40.55 - Step 4: Simplify right side
73.29x = 4,100.72 - Step 5: Solve for x
x = 4,100.72/73.29 - Step 6: Final answer
x = 55.95
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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.