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Finding the Fourth Proportional to 735.71, 1,103.56 and 249.10

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Solution

The fourth proportional to 735.71, 1,103.56 and 249.10 is: 373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.71 : 1,103.56 = 249.10 : x
  2. Step 2: Convert to fraction form
    735.71/1,103.56 = 249.10/x
  3. Step 3: Cross multiply
    735.71x = 1,103.56 × 249.10
  4. Step 4: Simplify right side
    735.71x = 274,893.41
  5. Step 5: Solve for x
    x = 274,893.41/735.71
  6. Step 6: Final answer
    x = 373.65

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Half scale
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Double scale
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Similar ratio
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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.