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Finding the Fourth Proportional to 476.24, 713.76 and 232.22

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Solution

The fourth proportional to 476.24, 713.76 and 232.22 is: 348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.24 : 713.76 = 232.22 : x
  2. Step 2: Convert to fraction form
    476.24/713.76 = 232.22/x
  3. Step 3: Cross multiply
    476.24x = 713.76 × 232.22
  4. Step 4: Simplify right side
    476.24x = 165,749.35
  5. Step 5: Solve for x
    x = 165,749.35/476.24
  6. Step 6: Final answer
    x = 348.04

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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.