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Finding the Fourth Proportional to 476.50, 658.80 and 366.34

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Solution

The fourth proportional to 476.50, 658.80 and 366.34 is: 506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.50 : 658.80 = 366.34 : x
  2. Step 2: Convert to fraction form
    476.50/658.80 = 366.34/x
  3. Step 3: Cross multiply
    476.50x = 658.80 × 366.34
  4. Step 4: Simplify right side
    476.50x = 241,344.79
  5. Step 5: Solve for x
    x = 241,344.79/476.50
  6. Step 6: Final answer
    x = 506.49

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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.