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Finding the Fourth Proportional to 304.04, 456.22 and 133

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Solution

The fourth proportional to 304.04, 456.22 and 133 is: 199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.04 : 456.22 = 133 : x
  2. Step 2: Convert to fraction form
    304.04/456.22 = 133/x
  3. Step 3: Cross multiply
    304.04x = 456.22 × 133
  4. Step 4: Simplify right side
    304.04x = 60,677.26
  5. Step 5: Solve for x
    x = 60,677.26/304.04
  6. Step 6: Final answer
    x = 199.57

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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.