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Finding the Fourth Proportional to 345.33, 477.18 and 246.92

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Solution

The fourth proportional to 345.33, 477.18 and 246.92 is: 341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.33 : 477.18 = 246.92 : x
  2. Step 2: Convert to fraction form
    345.33/477.18 = 246.92/x
  3. Step 3: Cross multiply
    345.33x = 477.18 × 246.92
  4. Step 4: Simplify right side
    345.33x = 117,822.90
  5. Step 5: Solve for x
    x = 117,822.90/345.33
  6. Step 6: Final answer
    x = 341.19

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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.