Finding the Fourth Proportional to 62.28, 93.34 and 48.70
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Solution
The fourth proportional to 62.28, 93.34 and 48.70 is: 72.99
Step by Step Solution
- Step 1: Write the proportion equation
62.28 : 93.34 = 48.70 : x - Step 2: Convert to fraction form
62.28/93.34 = 48.70/x - Step 3: Cross multiply
62.28x = 93.34 × 48.70 - Step 4: Simplify right side
62.28x = 4,545.66 - Step 5: Solve for x
x = 4,545.66/62.28 - Step 6: Final answer
x = 72.99
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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.