Finding the Fourth Proportional to 901.93, 1,245.18 and 652.99
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Solution
The fourth proportional to 901.93, 1,245.18 and 652.99 is: 901.50
Step by Step Solution
- Step 1: Write the proportion equation
901.93 : 1,245.18 = 652.99 : x - Step 2: Convert to fraction form
901.93/1,245.18 = 652.99/x - Step 3: Cross multiply
901.93x = 1,245.18 × 652.99 - Step 4: Simplify right side
901.93x = 813,090.09 - Step 5: Solve for x
x = 813,090.09/901.93 - Step 6: Final answer
x = 901.50
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Double scale
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1.5x scale
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.