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Finding the Fourth Proportional to 436.16, 601.92 and 348.80

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Solution

The fourth proportional to 436.16, 601.92 and 348.80 is: 481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.16 : 601.92 = 348.80 : x
  2. Step 2: Convert to fraction form
    436.16/601.92 = 348.80/x
  3. Step 3: Cross multiply
    436.16x = 601.92 × 348.80
  4. Step 4: Simplify right side
    436.16x = 209,949.70
  5. Step 5: Solve for x
    x = 209,949.70/436.16
  6. Step 6: Final answer
    x = 481.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.