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Finding the Fourth Proportional to 602.87, 831.87 and 337.25

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Solution

The fourth proportional to 602.87, 831.87 and 337.25 is: 465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.87 : 831.87 = 337.25 : x
  2. Step 2: Convert to fraction form
    602.87/831.87 = 337.25/x
  3. Step 3: Cross multiply
    602.87x = 831.87 × 337.25
  4. Step 4: Simplify right side
    602.87x = 280,548.16
  5. Step 5: Solve for x
    x = 280,548.16/602.87
  6. Step 6: Final answer
    x = 465.35

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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.