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Finding the Fourth Proportional to 606.45, 831.43 and 595.51

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Solution

The fourth proportional to 606.45, 831.43 and 595.51 is: 816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.45 : 831.43 = 595.51 : x
  2. Step 2: Convert to fraction form
    606.45/831.43 = 595.51/x
  3. Step 3: Cross multiply
    606.45x = 831.43 × 595.51
  4. Step 4: Simplify right side
    606.45x = 495,124.88
  5. Step 5: Solve for x
    x = 495,124.88/606.45
  6. Step 6: Final answer
    x = 816.43

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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.