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Finding the Fourth Proportional to 444.36, 615.81 and 435.72

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Solution

The fourth proportional to 444.36, 615.81 and 435.72 is: 603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.36 : 615.81 = 435.72 : x
  2. Step 2: Convert to fraction form
    444.36/615.81 = 435.72/x
  3. Step 3: Cross multiply
    444.36x = 615.81 × 435.72
  4. Step 4: Simplify right side
    444.36x = 268,320.73
  5. Step 5: Solve for x
    x = 268,320.73/444.36
  6. Step 6: Final answer
    x = 603.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.