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Finding the Fourth Proportional to 544.38, 812.76 and 493.38

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Solution

The fourth proportional to 544.38, 812.76 and 493.38 is: 736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.38 : 812.76 = 493.38 : x
  2. Step 2: Convert to fraction form
    544.38/812.76 = 493.38/x
  3. Step 3: Cross multiply
    544.38x = 812.76 × 493.38
  4. Step 4: Simplify right side
    544.38x = 400,999.53
  5. Step 5: Solve for x
    x = 400,999.53/544.38
  6. Step 6: Final answer
    x = 736.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.