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Finding the Fourth Proportional to 368.75, 550.40 and 362.68

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Solution

The fourth proportional to 368.75, 550.40 and 362.68 is: 541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.75 : 550.40 = 362.68 : x
  2. Step 2: Convert to fraction form
    368.75/550.40 = 362.68/x
  3. Step 3: Cross multiply
    368.75x = 550.40 × 362.68
  4. Step 4: Simplify right side
    368.75x = 199,615.88
  5. Step 5: Solve for x
    x = 199,615.88/368.75
  6. Step 6: Final answer
    x = 541.33

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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.