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Finding the Fourth Proportional to 736.09, 1,014.20 and 549.49

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Solution

The fourth proportional to 736.09, 1,014.20 and 549.49 is: 757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.09 : 1,014.20 = 549.49 : x
  2. Step 2: Convert to fraction form
    736.09/1,014.20 = 549.49/x
  3. Step 3: Cross multiply
    736.09x = 1,014.20 × 549.49
  4. Step 4: Simplify right side
    736.09x = 557,292.76
  5. Step 5: Solve for x
    x = 557,292.76/736.09
  6. Step 6: Final answer
    x = 757.10

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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.