Finding the Fourth Proportional to 53.35, 79.50 and 52.34
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Solution
The fourth proportional to 53.35, 79.50 and 52.34 is: 77.99
Step by Step Solution
- Step 1: Write the proportion equation
53.35 : 79.50 = 52.34 : x - Step 2: Convert to fraction form
53.35/79.50 = 52.34/x - Step 3: Cross multiply
53.35x = 79.50 × 52.34 - Step 4: Simplify right side
53.35x = 4,160.63 - Step 5: Solve for x
x = 4,160.63/53.35 - Step 6: Final answer
x = 77.99
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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.