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Finding the Fourth Proportional to 555.26, 832.82 and 230.36

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Solution

The fourth proportional to 555.26, 832.82 and 230.36 is: 345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.26 : 832.82 = 230.36 : x
  2. Step 2: Convert to fraction form
    555.26/832.82 = 230.36/x
  3. Step 3: Cross multiply
    555.26x = 832.82 × 230.36
  4. Step 4: Simplify right side
    555.26x = 191,843.10
  5. Step 5: Solve for x
    x = 191,843.10/555.26
  6. Step 6: Final answer
    x = 345.50

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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.