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Finding the Fourth Proportional to 1,160.44, 1,601.08 and 662.92

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Solution

The fourth proportional to 1,160.44, 1,601.08 and 662.92 is: 914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.44 : 1,601.08 = 662.92 : x
  2. Step 2: Convert to fraction form
    1,160.44/1,601.08 = 662.92/x
  3. Step 3: Cross multiply
    1,160.44x = 1,601.08 × 662.92
  4. Step 4: Simplify right side
    1,160.44x = 1,061,387.95
  5. Step 5: Solve for x
    x = 1,061,387.95/1,160.44
  6. Step 6: Final answer
    x = 914.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.