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Finding the Fourth Proportional to 380.50, 524.77 and 233.03

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Solution

The fourth proportional to 380.50, 524.77 and 233.03 is: 321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.50 : 524.77 = 233.03 : x
  2. Step 2: Convert to fraction form
    380.50/524.77 = 233.03/x
  3. Step 3: Cross multiply
    380.50x = 524.77 × 233.03
  4. Step 4: Simplify right side
    380.50x = 122,284.53
  5. Step 5: Solve for x
    x = 122,284.53/380.50
  6. Step 6: Final answer
    x = 321.38

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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.