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Finding the Fourth Proportional to 695.98, 1,043.96 and 233.66

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Solution

The fourth proportional to 695.98, 1,043.96 and 233.66 is: 350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.98 : 1,043.96 = 233.66 : x
  2. Step 2: Convert to fraction form
    695.98/1,043.96 = 233.66/x
  3. Step 3: Cross multiply
    695.98x = 1,043.96 × 233.66
  4. Step 4: Simplify right side
    695.98x = 243,931.69
  5. Step 5: Solve for x
    x = 243,931.69/695.98
  6. Step 6: Final answer
    x = 350.49

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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.