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Finding the Fourth Proportional to 266.70, 400.14 and 246.06

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Solution

The fourth proportional to 266.70, 400.14 and 246.06 is: 369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.70 : 400.14 = 246.06 : x
  2. Step 2: Convert to fraction form
    266.70/400.14 = 246.06/x
  3. Step 3: Cross multiply
    266.70x = 400.14 × 246.06
  4. Step 4: Simplify right side
    266.70x = 98,458.45
  5. Step 5: Solve for x
    x = 98,458.45/266.70
  6. Step 6: Final answer
    x = 369.17

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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.