Home / 1,066.90-1,599.79-336.28

Finding the Fourth Proportional to 1,066.90, 1,599.79 and 336.28

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Solution

The fourth proportional to 1,066.90, 1,599.79 and 336.28 is: 504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.90 : 1,599.79 = 336.28 : x
  2. Step 2: Convert to fraction form
    1,066.90/1,599.79 = 336.28/x
  3. Step 3: Cross multiply
    1,066.90x = 1,599.79 × 336.28
  4. Step 4: Simplify right side
    1,066.90x = 537,977.38
  5. Step 5: Solve for x
    x = 537,977.38/1,066.90
  6. Step 6: Final answer
    x = 504.24

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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.