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Finding the Fourth Proportional to 606.40, 836.24 and 532.70

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Solution

The fourth proportional to 606.40, 836.24 and 532.70 is: 734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.40 : 836.24 = 532.70 : x
  2. Step 2: Convert to fraction form
    606.40/836.24 = 532.70/x
  3. Step 3: Cross multiply
    606.40x = 836.24 × 532.70
  4. Step 4: Simplify right side
    606.40x = 445,465.05
  5. Step 5: Solve for x
    x = 445,465.05/606.40
  6. Step 6: Final answer
    x = 734.61

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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.