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Finding the Fourth Proportional to 557.44, 836.11 and 283.45

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Solution

The fourth proportional to 557.44, 836.11 and 283.45 is: 425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.44 : 836.11 = 283.45 : x
  2. Step 2: Convert to fraction form
    557.44/836.11 = 283.45/x
  3. Step 3: Cross multiply
    557.44x = 836.11 × 283.45
  4. Step 4: Simplify right side
    557.44x = 236,995.38
  5. Step 5: Solve for x
    x = 236,995.38/557.44
  6. Step 6: Final answer
    x = 425.15

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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.