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Finding the Fourth Proportional to 346.16, 519.27 and 161.06

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Solution

The fourth proportional to 346.16, 519.27 and 161.06 is: 241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.16 : 519.27 = 161.06 : x
  2. Step 2: Convert to fraction form
    346.16/519.27 = 161.06/x
  3. Step 3: Cross multiply
    346.16x = 519.27 × 161.06
  4. Step 4: Simplify right side
    346.16x = 83,633.63
  5. Step 5: Solve for x
    x = 83,633.63/346.16
  6. Step 6: Final answer
    x = 241.60

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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.