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Finding the Fourth Proportional to 304.30, 456.31 and 150.05

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Solution

The fourth proportional to 304.30, 456.31 and 150.05 is: 225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.30 : 456.31 = 150.05 : x
  2. Step 2: Convert to fraction form
    304.30/456.31 = 150.05/x
  3. Step 3: Cross multiply
    304.30x = 456.31 × 150.05
  4. Step 4: Simplify right side
    304.30x = 68,470.64
  5. Step 5: Solve for x
    x = 68,470.64/304.30
  6. Step 6: Final answer
    x = 225.01

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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.