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Finding the Fourth Proportional to 366.66, 502.85 and 351.77

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Solution

The fourth proportional to 366.66, 502.85 and 351.77 is: 482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.66 : 502.85 = 351.77 : x
  2. Step 2: Convert to fraction form
    366.66/502.85 = 351.77/x
  3. Step 3: Cross multiply
    366.66x = 502.85 × 351.77
  4. Step 4: Simplify right side
    366.66x = 176,885.91
  5. Step 5: Solve for x
    x = 176,885.91/366.66
  6. Step 6: Final answer
    x = 482.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.