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Finding the Fourth Proportional to 303.16, 454.29 and 245.47

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Solution

The fourth proportional to 303.16, 454.29 and 245.47 is: 367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.16 : 454.29 = 245.47 : x
  2. Step 2: Convert to fraction form
    303.16/454.29 = 245.47/x
  3. Step 3: Cross multiply
    303.16x = 454.29 × 245.47
  4. Step 4: Simplify right side
    303.16x = 111,514.57
  5. Step 5: Solve for x
    x = 111,514.57/303.16
  6. Step 6: Final answer
    x = 367.84

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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.