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Finding the Fourth Proportional to 606.48, 836.73 and 340.88

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Solution

The fourth proportional to 606.48, 836.73 and 340.88 is: 470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.48 : 836.73 = 340.88 : x
  2. Step 2: Convert to fraction form
    606.48/836.73 = 340.88/x
  3. Step 3: Cross multiply
    606.48x = 836.73 × 340.88
  4. Step 4: Simplify right side
    606.48x = 285,224.52
  5. Step 5: Solve for x
    x = 285,224.52/606.48
  6. Step 6: Final answer
    x = 470.30

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1.5x scale

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.