Finding the Fourth Proportional to 52.65, 72.65 and 32.99
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Solution
The fourth proportional to 52.65, 72.65 and 32.99 is: 45.52
Step by Step Solution
- Step 1: Write the proportion equation
52.65 : 72.65 = 32.99 : x - Step 2: Convert to fraction form
52.65/72.65 = 32.99/x - Step 3: Cross multiply
52.65x = 72.65 × 32.99 - Step 4: Simplify right side
52.65x = 2,396.89 - Step 5: Solve for x
x = 2,396.89/52.65 - Step 6: Final answer
x = 45.52
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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.