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Finding the Fourth Proportional to 351.81, 482.29 and 346.14

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Solution

The fourth proportional to 351.81, 482.29 and 346.14 is: 474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.81 : 482.29 = 346.14 : x
  2. Step 2: Convert to fraction form
    351.81/482.29 = 346.14/x
  3. Step 3: Cross multiply
    351.81x = 482.29 × 346.14
  4. Step 4: Simplify right side
    351.81x = 166,939.00
  5. Step 5: Solve for x
    x = 166,939.00/351.81
  6. Step 6: Final answer
    x = 474.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.