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Finding the Fourth Proportional to 400.17, 601.08 and 238.17

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Solution

The fourth proportional to 400.17, 601.08 and 238.17 is: 357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.17 : 601.08 = 238.17 : x
  2. Step 2: Convert to fraction form
    400.17/601.08 = 238.17/x
  3. Step 3: Cross multiply
    400.17x = 601.08 × 238.17
  4. Step 4: Simplify right side
    400.17x = 143,159.22
  5. Step 5: Solve for x
    x = 143,159.22/400.17
  6. Step 6: Final answer
    x = 357.75

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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.