Home / 1,066.29-1,599.68-325.94

Finding the Fourth Proportional to 1,066.29, 1,599.68 and 325.94

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Solution

The fourth proportional to 1,066.29, 1,599.68 and 325.94 is: 488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.29 : 1,599.68 = 325.94 : x
  2. Step 2: Convert to fraction form
    1,066.29/1,599.68 = 325.94/x
  3. Step 3: Cross multiply
    1,066.29x = 1,599.68 × 325.94
  4. Step 4: Simplify right side
    1,066.29x = 521,390.07
  5. Step 5: Solve for x
    x = 521,390.07/1,066.29
  6. Step 6: Final answer
    x = 488.98

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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.