Finding the Fourth Proportional to 53.24, 73.76 and 51.98
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Solution
The fourth proportional to 53.24, 73.76 and 51.98 is: 72.02
Step by Step Solution
- Step 1: Write the proportion equation
53.24 : 73.76 = 51.98 : x - Step 2: Convert to fraction form
53.24/73.76 = 51.98/x - Step 3: Cross multiply
53.24x = 73.76 × 51.98 - Step 4: Simplify right side
53.24x = 3,834.36 - Step 5: Solve for x
x = 3,834.36/53.24 - Step 6: Final answer
x = 72.02
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.