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Finding the Fourth Proportional to 775.08, 1,162.56 and 467.04

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Solution

The fourth proportional to 775.08, 1,162.56 and 467.04 is: 700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.08 : 1,162.56 = 467.04 : x
  2. Step 2: Convert to fraction form
    775.08/1,162.56 = 467.04/x
  3. Step 3: Cross multiply
    775.08x = 1,162.56 × 467.04
  4. Step 4: Simplify right side
    775.08x = 542,962.02
  5. Step 5: Solve for x
    x = 542,962.02/775.08
  6. Step 6: Final answer
    x = 700.52

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1.5x scale

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.