Finding the Fourth Proportional to 52.95, 79.86 and 49.05
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Solution
The fourth proportional to 52.95, 79.86 and 49.05 is: 73.98
Step by Step Solution
- Step 1: Write the proportion equation
52.95 : 79.86 = 49.05 : x - Step 2: Convert to fraction form
52.95/79.86 = 49.05/x - Step 3: Cross multiply
52.95x = 79.86 × 49.05 - Step 4: Simplify right side
52.95x = 3,917.13 - Step 5: Solve for x
x = 3,917.13/52.95 - Step 6: Final answer
x = 73.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.