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Finding the Fourth Proportional to 304.70, 456.19 and 232.34

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Solution

The fourth proportional to 304.70, 456.19 and 232.34 is: 347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.70 : 456.19 = 232.34 : x
  2. Step 2: Convert to fraction form
    304.70/456.19 = 232.34/x
  3. Step 3: Cross multiply
    304.70x = 456.19 × 232.34
  4. Step 4: Simplify right side
    304.70x = 105,988.32
  5. Step 5: Solve for x
    x = 105,988.32/304.70
  6. Step 6: Final answer
    x = 347.85

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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.