Finding the Fourth Proportional to 53.08, 73.28 and 46.18
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Solution
The fourth proportional to 53.08, 73.28 and 46.18 is: 63.75
Step by Step Solution
- Step 1: Write the proportion equation
53.08 : 73.28 = 46.18 : x - Step 2: Convert to fraction form
53.08/73.28 = 46.18/x - Step 3: Cross multiply
53.08x = 73.28 × 46.18 - Step 4: Simplify right side
53.08x = 3,384.07 - Step 5: Solve for x
x = 3,384.07/53.08 - Step 6: Final answer
x = 63.75
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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.