Home / 1,132.28-1,698.57-352.25

Finding the Fourth Proportional to 1,132.28, 1,698.57 and 352.25

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Solution

The fourth proportional to 1,132.28, 1,698.57 and 352.25 is: 528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.28 : 1,698.57 = 352.25 : x
  2. Step 2: Convert to fraction form
    1,132.28/1,698.57 = 352.25/x
  3. Step 3: Cross multiply
    1,132.28x = 1,698.57 × 352.25
  4. Step 4: Simplify right side
    1,132.28x = 598,319.16
  5. Step 5: Solve for x
    x = 598,319.16/1,132.28
  6. Step 6: Final answer
    x = 528.42

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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.