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Finding the Fourth Proportional to 606.79, 831.76 and 598.59

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Solution

The fourth proportional to 606.79, 831.76 and 598.59 is: 820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.79 : 831.76 = 598.59 : x
  2. Step 2: Convert to fraction form
    606.79/831.76 = 598.59/x
  3. Step 3: Cross multiply
    606.79x = 831.76 × 598.59
  4. Step 4: Simplify right side
    606.79x = 497,883.22
  5. Step 5: Solve for x
    x = 497,883.22/606.79
  6. Step 6: Final answer
    x = 820.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.