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Finding the Fourth Proportional to 470.01, 703.78 and 396.71

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Solution

The fourth proportional to 470.01, 703.78 and 396.71 is: 594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.01 : 703.78 = 396.71 : x
  2. Step 2: Convert to fraction form
    470.01/703.78 = 396.71/x
  3. Step 3: Cross multiply
    470.01x = 703.78 × 396.71
  4. Step 4: Simplify right side
    470.01x = 279,192.05
  5. Step 5: Solve for x
    x = 279,192.05/470.01
  6. Step 6: Final answer
    x = 594.01

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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.