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Finding the Fourth Proportional to 301.80, 453.15 and 233.40

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Solution

The fourth proportional to 301.80, 453.15 and 233.40 is: 350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.80 : 453.15 = 233.40 : x
  2. Step 2: Convert to fraction form
    301.80/453.15 = 233.40/x
  3. Step 3: Cross multiply
    301.80x = 453.15 × 233.40
  4. Step 4: Simplify right side
    301.80x = 105,765.21
  5. Step 5: Solve for x
    x = 105,765.21/301.80
  6. Step 6: Final answer
    x = 350.45

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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.