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Finding the Fourth Proportional to 444.19, 615.47 and 434.11

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Solution

The fourth proportional to 444.19, 615.47 and 434.11 is: 601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.19 : 615.47 = 434.11 : x
  2. Step 2: Convert to fraction form
    444.19/615.47 = 434.11/x
  3. Step 3: Cross multiply
    444.19x = 615.47 × 434.11
  4. Step 4: Simplify right side
    444.19x = 267,180.60
  5. Step 5: Solve for x
    x = 267,180.60/444.19
  6. Step 6: Final answer
    x = 601.50

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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.