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Finding the Fourth Proportional to 343.34, 474.36 and 264.97

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Solution

The fourth proportional to 343.34, 474.36 and 264.97 is: 366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.34 : 474.36 = 264.97 : x
  2. Step 2: Convert to fraction form
    343.34/474.36 = 264.97/x
  3. Step 3: Cross multiply
    343.34x = 474.36 × 264.97
  4. Step 4: Simplify right side
    343.34x = 125,690.77
  5. Step 5: Solve for x
    x = 125,690.77/343.34
  6. Step 6: Final answer
    x = 366.08

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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.