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Finding the Fourth Proportional to 735.08, 1,015.56 and 676.76

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Solution

The fourth proportional to 735.08, 1,015.56 and 676.76 is: 934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.08 : 1,015.56 = 676.76 : x
  2. Step 2: Convert to fraction form
    735.08/1,015.56 = 676.76/x
  3. Step 3: Cross multiply
    735.08x = 1,015.56 × 676.76
  4. Step 4: Simplify right side
    735.08x = 687,285.31
  5. Step 5: Solve for x
    x = 687,285.31/735.08
  6. Step 6: Final answer
    x = 934.99

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Double scale
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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.