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Finding the Fourth Proportional to 444.70, 612.38 and 435.11

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Solution

The fourth proportional to 444.70, 612.38 and 435.11 is: 599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.70 : 612.38 = 435.11 : x
  2. Step 2: Convert to fraction form
    444.70/612.38 = 435.11/x
  3. Step 3: Cross multiply
    444.70x = 612.38 × 435.11
  4. Step 4: Simplify right side
    444.70x = 266,455.28
  5. Step 5: Solve for x
    x = 266,455.28/444.70
  6. Step 6: Final answer
    x = 599.18

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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.