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Finding the Fourth Proportional to 541, 746.40 and 344.35

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Solution

The fourth proportional to 541, 746.40 and 344.35 is: 475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    541 : 746.40 = 344.35 : x
  2. Step 2: Convert to fraction form
    541/746.40 = 344.35/x
  3. Step 3: Cross multiply
    541x = 746.40 × 344.35
  4. Step 4: Simplify right side
    541x = 257,022.84
  5. Step 5: Solve for x
    x = 257,022.84/541
  6. Step 6: Final answer
    x = 475.09

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Why These Related Problems?

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