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Finding the Fourth Proportional to 366.63, 504.21 and 292.80

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Solution

The fourth proportional to 366.63, 504.21 and 292.80 is: 402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.63 : 504.21 = 292.80 : x
  2. Step 2: Convert to fraction form
    366.63/504.21 = 292.80/x
  3. Step 3: Cross multiply
    366.63x = 504.21 × 292.80
  4. Step 4: Simplify right side
    366.63x = 147,632.69
  5. Step 5: Solve for x
    x = 147,632.69/366.63
  6. Step 6: Final answer
    x = 402.67

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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.