Finding the Fourth Proportional to 1,498, 2,247 and 472
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Solution
The fourth proportional to 1,498, 2,247 and 472 is: 708
Step by Step Solution
- Step 1: Write the proportion equation
1,498 : 2,247 = 472 : x - Step 2: Convert to fraction form
1,498/2,247 = 472/x - Step 3: Cross multiply
1,498x = 2,247 × 472 - Step 4: Simplify right side
1,498x = 1,060,584 - Step 5: Solve for x
x = 1,060,584/1,498 - Step 6: Final answer
x = 708
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.