Finding the Fourth Proportional to 52.94, 79.04 and 46.88
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Solution
The fourth proportional to 52.94, 79.04 and 46.88 is: 69.99
Step by Step Solution
- Step 1: Write the proportion equation
52.94 : 79.04 = 46.88 : x - Step 2: Convert to fraction form
52.94/79.04 = 46.88/x - Step 3: Cross multiply
52.94x = 79.04 × 46.88 - Step 4: Simplify right side
52.94x = 3,705.40 - Step 5: Solve for x
x = 3,705.40/52.94 - Step 6: Final answer
x = 69.99
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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.