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Finding the Fourth Proportional to 303.04, 454.72 and 132

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Solution

The fourth proportional to 303.04, 454.72 and 132 is: 198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.04 : 454.72 = 132 : x
  2. Step 2: Convert to fraction form
    303.04/454.72 = 132/x
  3. Step 3: Cross multiply
    303.04x = 454.72 × 132
  4. Step 4: Simplify right side
    303.04x = 60,023.04
  5. Step 5: Solve for x
    x = 60,023.04/303.04
  6. Step 6: Final answer
    x = 198.07

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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.