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Finding the Fourth Proportional to 629.49, 941.49 and 368.87

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Solution

The fourth proportional to 629.49, 941.49 and 368.87 is: 551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.49 : 941.49 = 368.87 : x
  2. Step 2: Convert to fraction form
    629.49/941.49 = 368.87/x
  3. Step 3: Cross multiply
    629.49x = 941.49 × 368.87
  4. Step 4: Simplify right side
    629.49x = 347,287.42
  5. Step 5: Solve for x
    x = 347,287.42/629.49
  6. Step 6: Final answer
    x = 551.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.