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Finding the Fourth Proportional to 400.60, 601.18 and 154.04

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Solution

The fourth proportional to 400.60, 601.18 and 154.04 is: 231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.60 : 601.18 = 154.04 : x
  2. Step 2: Convert to fraction form
    400.60/601.18 = 154.04/x
  3. Step 3: Cross multiply
    400.60x = 601.18 × 154.04
  4. Step 4: Simplify right side
    400.60x = 92,605.77
  5. Step 5: Solve for x
    x = 92,605.77/400.60
  6. Step 6: Final answer
    x = 231.17

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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.