Finding the Fourth Proportional to 903.63, 1,246.64 and 608.99
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Solution
The fourth proportional to 903.63, 1,246.64 and 608.99 is: 840.16
Step by Step Solution
- Step 1: Write the proportion equation
903.63 : 1,246.64 = 608.99 : x - Step 2: Convert to fraction form
903.63/1,246.64 = 608.99/x - Step 3: Cross multiply
903.63x = 1,246.64 × 608.99 - Step 4: Simplify right side
903.63x = 759,186.69 - Step 5: Solve for x
x = 759,186.69/903.63 - Step 6: Final answer
x = 840.16
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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.