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Finding the Fourth Proportional to 266.69, 399.43 and 184.98

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Solution

The fourth proportional to 266.69, 399.43 and 184.98 is: 277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.69 : 399.43 = 184.98 : x
  2. Step 2: Convert to fraction form
    266.69/399.43 = 184.98/x
  3. Step 3: Cross multiply
    266.69x = 399.43 × 184.98
  4. Step 4: Simplify right side
    266.69x = 73,888.29
  5. Step 5: Solve for x
    x = 73,888.29/266.69
  6. Step 6: Final answer
    x = 277.05

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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.