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Finding the Fourth Proportional to 346.14, 479.79 and 341.28

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Solution

The fourth proportional to 346.14, 479.79 and 341.28 is: 473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.14 : 479.79 = 341.28 : x
  2. Step 2: Convert to fraction form
    346.14/479.79 = 341.28/x
  3. Step 3: Cross multiply
    346.14x = 479.79 × 341.28
  4. Step 4: Simplify right side
    346.14x = 163,742.73
  5. Step 5: Solve for x
    x = 163,742.73/346.14
  6. Step 6: Final answer
    x = 473.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.