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Finding the Fourth Proportional to 346.50, 478.25 and 241.60

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Solution

The fourth proportional to 346.50, 478.25 and 241.60 is: 333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.50 : 478.25 = 241.60 : x
  2. Step 2: Convert to fraction form
    346.50/478.25 = 241.60/x
  3. Step 3: Cross multiply
    346.50x = 478.25 × 241.60
  4. Step 4: Simplify right side
    346.50x = 115,545.20
  5. Step 5: Solve for x
    x = 115,545.20/346.50
  6. Step 6: Final answer
    x = 333.46

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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.