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Finding the Fourth Proportional to 602.06, 831.60 and 444.92

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Solution

The fourth proportional to 602.06, 831.60 and 444.92 is: 614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.06 : 831.60 = 444.92 : x
  2. Step 2: Convert to fraction form
    602.06/831.60 = 444.92/x
  3. Step 3: Cross multiply
    602.06x = 831.60 × 444.92
  4. Step 4: Simplify right side
    602.06x = 369,991.31
  5. Step 5: Solve for x
    x = 369,991.31/602.06
  6. Step 6: Final answer
    x = 614.55

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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.