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Finding the Fourth Proportional to 463.36, 694.88 and 232.16

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Solution

The fourth proportional to 463.36, 694.88 and 232.16 is: 348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.36 : 694.88 = 232.16 : x
  2. Step 2: Convert to fraction form
    463.36/694.88 = 232.16/x
  3. Step 3: Cross multiply
    463.36x = 694.88 × 232.16
  4. Step 4: Simplify right side
    463.36x = 161,323.34
  5. Step 5: Solve for x
    x = 161,323.34/463.36
  6. Step 6: Final answer
    x = 348.16

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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.