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Finding the Fourth Proportional to 606.70, 836.43 and 482.77

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Solution

The fourth proportional to 606.70, 836.43 and 482.77 is: 665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.70 : 836.43 = 482.77 : x
  2. Step 2: Convert to fraction form
    606.70/836.43 = 482.77/x
  3. Step 3: Cross multiply
    606.70x = 836.43 × 482.77
  4. Step 4: Simplify right side
    606.70x = 403,803.31
  5. Step 5: Solve for x
    x = 403,803.31/606.70
  6. Step 6: Final answer
    x = 665.57

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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.