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Finding the Fourth Proportional to 596.20, 894.30 and 401.80

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Solution

The fourth proportional to 596.20, 894.30 and 401.80 is: 602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.20 : 894.30 = 401.80 : x
  2. Step 2: Convert to fraction form
    596.20/894.30 = 401.80/x
  3. Step 3: Cross multiply
    596.20x = 894.30 × 401.80
  4. Step 4: Simplify right side
    596.20x = 359,329.74
  5. Step 5: Solve for x
    x = 359,329.74/596.20
  6. Step 6: Final answer
    x = 602.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.