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Finding the Fourth Proportional to 606.71, 840.41 and 594.40

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Solution

The fourth proportional to 606.71, 840.41 and 594.40 is: 823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.71 : 840.41 = 594.40 : x
  2. Step 2: Convert to fraction form
    606.71/840.41 = 594.40/x
  3. Step 3: Cross multiply
    606.71x = 840.41 × 594.40
  4. Step 4: Simplify right side
    606.71x = 499,539.70
  5. Step 5: Solve for x
    x = 499,539.70/606.71
  6. Step 6: Final answer
    x = 823.36

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1.5x scale

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.