Finding the Fourth Proportional to 1,498.56, 2,247 and 524.28
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Solution
The fourth proportional to 1,498.56, 2,247 and 524.28 is: 786.13
Step by Step Solution
- Step 1: Write the proportion equation
1,498.56 : 2,247 = 524.28 : x - Step 2: Convert to fraction form
1,498.56/2,247 = 524.28/x - Step 3: Cross multiply
1,498.56x = 2,247 × 524.28 - Step 4: Simplify right side
1,498.56x = 1,178,057.16 - Step 5: Solve for x
x = 1,178,057.16/1,498.56 - Step 6: Final answer
x = 786.13
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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.