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Finding the Fourth Proportional to 305.29, 454.48 and 303.67

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Solution

The fourth proportional to 305.29, 454.48 and 303.67 is: 452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305.29 : 454.48 = 303.67 : x
  2. Step 2: Convert to fraction form
    305.29/454.48 = 303.67/x
  3. Step 3: Cross multiply
    305.29x = 454.48 × 303.67
  4. Step 4: Simplify right side
    305.29x = 138,011.94
  5. Step 5: Solve for x
    x = 138,011.94/305.29
  6. Step 6: Final answer
    x = 452.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.