Finding the Fourth Proportional to 53.08, 79.58 and 35.02
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Solution
The fourth proportional to 53.08, 79.58 and 35.02 is: 52.50
Step by Step Solution
- Step 1: Write the proportion equation
53.08 : 79.58 = 35.02 : x - Step 2: Convert to fraction form
53.08/79.58 = 35.02/x - Step 3: Cross multiply
53.08x = 79.58 × 35.02 - Step 4: Simplify right side
53.08x = 2,786.89 - Step 5: Solve for x
x = 2,786.89/53.08 - Step 6: Final answer
x = 52.50
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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.