Finding the Fourth Proportional to 530.94, 731.99 and 365.09
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Solution
The fourth proportional to 530.94, 731.99 and 365.09 is: 503.34
Step by Step Solution
- Step 1: Write the proportion equation
530.94 : 731.99 = 365.09 : x - Step 2: Convert to fraction form
530.94/731.99 = 365.09/x - Step 3: Cross multiply
530.94x = 731.99 × 365.09 - Step 4: Simplify right side
530.94x = 267,242.23 - Step 5: Solve for x
x = 267,242.23/530.94 - Step 6: Final answer
x = 503.34
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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.