Home / 1,150.08-1,725.12-533.60

Finding the Fourth Proportional to 1,150.08, 1,725.12 and 533.60

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Solution

The fourth proportional to 1,150.08, 1,725.12 and 533.60 is: 800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.08 : 1,725.12 = 533.60 : x
  2. Step 2: Convert to fraction form
    1,150.08/1,725.12 = 533.60/x
  3. Step 3: Cross multiply
    1,150.08x = 1,725.12 × 533.60
  4. Step 4: Simplify right side
    1,150.08x = 920,524.03
  5. Step 5: Solve for x
    x = 920,524.03/1,150.08
  6. Step 6: Final answer
    x = 800.40

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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.