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Finding the Fourth Proportional to 630.63, 941.81 and 544.14

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Solution

The fourth proportional to 630.63, 941.81 and 544.14 is: 812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.63 : 941.81 = 544.14 : x
  2. Step 2: Convert to fraction form
    630.63/941.81 = 544.14/x
  3. Step 3: Cross multiply
    630.63x = 941.81 × 544.14
  4. Step 4: Simplify right side
    630.63x = 512,476.49
  5. Step 5: Solve for x
    x = 512,476.49/630.63
  6. Step 6: Final answer
    x = 812.64

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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.