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Finding the Fourth Proportional to 349.97, 483.05 and 233.87

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Solution

The fourth proportional to 349.97, 483.05 and 233.87 is: 322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.97 : 483.05 = 233.87 : x
  2. Step 2: Convert to fraction form
    349.97/483.05 = 233.87/x
  3. Step 3: Cross multiply
    349.97x = 483.05 × 233.87
  4. Step 4: Simplify right side
    349.97x = 112,969.07
  5. Step 5: Solve for x
    x = 112,969.07/349.97
  6. Step 6: Final answer
    x = 322.80

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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.