Finding the Fourth Proportional to 637.68, 880.07 and 357.99
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Solution
The fourth proportional to 637.68, 880.07 and 357.99 is: 494.07
Step by Step Solution
- Step 1: Write the proportion equation
637.68 : 880.07 = 357.99 : x - Step 2: Convert to fraction form
637.68/880.07 = 357.99/x - Step 3: Cross multiply
637.68x = 880.07 × 357.99 - Step 4: Simplify right side
637.68x = 315,056.26 - Step 5: Solve for x
x = 315,056.26/637.68 - Step 6: Final answer
x = 494.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.