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Finding the Fourth Proportional to 349.96, 481.50 and 303.18

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Solution

The fourth proportional to 349.96, 481.50 and 303.18 is: 417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.96 : 481.50 = 303.18 : x
  2. Step 2: Convert to fraction form
    349.96/481.50 = 303.18/x
  3. Step 3: Cross multiply
    349.96x = 481.50 × 303.18
  4. Step 4: Simplify right side
    349.96x = 145,981.17
  5. Step 5: Solve for x
    x = 145,981.17/349.96
  6. Step 6: Final answer
    x = 417.14

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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.