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Finding the Fourth Proportional to 555.27, 832.90 and 230.64

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Solution

The fourth proportional to 555.27, 832.90 and 230.64 is: 345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.27 : 832.90 = 230.64 : x
  2. Step 2: Convert to fraction form
    555.27/832.90 = 230.64/x
  3. Step 3: Cross multiply
    555.27x = 832.90 × 230.64
  4. Step 4: Simplify right side
    555.27x = 192,100.06
  5. Step 5: Solve for x
    x = 192,100.06/555.27
  6. Step 6: Final answer
    x = 345.96

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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.