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Finding the Fourth Proportional to 303.81, 455.70 and 182.04

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Solution

The fourth proportional to 303.81, 455.70 and 182.04 is: 273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.81 : 455.70 = 182.04 : x
  2. Step 2: Convert to fraction form
    303.81/455.70 = 182.04/x
  3. Step 3: Cross multiply
    303.81x = 455.70 × 182.04
  4. Step 4: Simplify right side
    303.81x = 82,955.63
  5. Step 5: Solve for x
    x = 82,955.63/303.81
  6. Step 6: Final answer
    x = 273.05

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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.