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Finding the Fourth Proportional to 591.12, 886.46 and 180.38

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Solution

The fourth proportional to 591.12, 886.46 and 180.38 is: 270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.12 : 886.46 = 180.38 : x
  2. Step 2: Convert to fraction form
    591.12/886.46 = 180.38/x
  3. Step 3: Cross multiply
    591.12x = 886.46 × 180.38
  4. Step 4: Simplify right side
    591.12x = 159,899.65
  5. Step 5: Solve for x
    x = 159,899.65/591.12
  6. Step 6: Final answer
    x = 270.50

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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.