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Finding the Fourth Proportional to 301.30, 452.40 and 232.90

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Solution

The fourth proportional to 301.30, 452.40 and 232.90 is: 349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.30 : 452.40 = 232.90 : x
  2. Step 2: Convert to fraction form
    301.30/452.40 = 232.90/x
  3. Step 3: Cross multiply
    301.30x = 452.40 × 232.90
  4. Step 4: Simplify right side
    301.30x = 105,363.96
  5. Step 5: Solve for x
    x = 105,363.96/301.30
  6. Step 6: Final answer
    x = 349.70

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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.