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Finding the Fourth Proportional to 401.18, 600.76 and 271.04

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Solution

The fourth proportional to 401.18, 600.76 and 271.04 is: 405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.18 : 600.76 = 271.04 : x
  2. Step 2: Convert to fraction form
    401.18/600.76 = 271.04/x
  3. Step 3: Cross multiply
    401.18x = 600.76 × 271.04
  4. Step 4: Simplify right side
    401.18x = 162,830.81
  5. Step 5: Solve for x
    x = 162,830.81/401.18
  6. Step 6: Final answer
    x = 405.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.