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Finding the Fourth Proportional to 410.95, 566.58 and 279.73

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Solution

The fourth proportional to 410.95, 566.58 and 279.73 is: 385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.95 : 566.58 = 279.73 : x
  2. Step 2: Convert to fraction form
    410.95/566.58 = 279.73/x
  3. Step 3: Cross multiply
    410.95x = 566.58 × 279.73
  4. Step 4: Simplify right side
    410.95x = 158,489.42
  5. Step 5: Solve for x
    x = 158,489.42/410.95
  6. Step 6: Final answer
    x = 385.67

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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.