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Finding the Fourth Proportional to 444.42, 613.56 and 304.77

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Solution

The fourth proportional to 444.42, 613.56 and 304.77 is: 420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.42 : 613.56 = 304.77 : x
  2. Step 2: Convert to fraction form
    444.42/613.56 = 304.77/x
  3. Step 3: Cross multiply
    444.42x = 613.56 × 304.77
  4. Step 4: Simplify right side
    444.42x = 186,994.68
  5. Step 5: Solve for x
    x = 186,994.68/444.42
  6. Step 6: Final answer
    x = 420.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.