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Finding the Fourth Proportional to 346.04, 476.97 and 303.92

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Solution

The fourth proportional to 346.04, 476.97 and 303.92 is: 418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.04 : 476.97 = 303.92 : x
  2. Step 2: Convert to fraction form
    346.04/476.97 = 303.92/x
  3. Step 3: Cross multiply
    346.04x = 476.97 × 303.92
  4. Step 4: Simplify right side
    346.04x = 144,958.34
  5. Step 5: Solve for x
    x = 144,958.34/346.04
  6. Step 6: Final answer
    x = 418.91

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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.