Finding the Fourth Proportional to 707.36, 1,058.99 and 637.65
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Solution
The fourth proportional to 707.36, 1,058.99 and 637.65 is: 954.62
Step by Step Solution
- Step 1: Write the proportion equation
707.36 : 1,058.99 = 637.65 : x - Step 2: Convert to fraction form
707.36/1,058.99 = 637.65/x - Step 3: Cross multiply
707.36x = 1,058.99 × 637.65 - Step 4: Simplify right side
707.36x = 675,259.70 - Step 5: Solve for x
x = 675,259.70/707.36 - Step 6: Final answer
x = 954.62
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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.