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Finding the Fourth Proportional to 1,262.08, 1,893.17 and 337.65

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Solution

The fourth proportional to 1,262.08, 1,893.17 and 337.65 is: 506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.08 : 1,893.17 = 337.65 : x
  2. Step 2: Convert to fraction form
    1,262.08/1,893.17 = 337.65/x
  3. Step 3: Cross multiply
    1,262.08x = 1,893.17 × 337.65
  4. Step 4: Simplify right side
    1,262.08x = 639,228.85
  5. Step 5: Solve for x
    x = 639,228.85/1,262.08
  6. Step 6: Final answer
    x = 506.49

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Half scale
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Double scale
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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.