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Finding the Fourth Proportional to 558.47, 837.03 and 314.49

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Solution

The fourth proportional to 558.47, 837.03 and 314.49 is: 471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.47 : 837.03 = 314.49 : x
  2. Step 2: Convert to fraction form
    558.47/837.03 = 314.49/x
  3. Step 3: Cross multiply
    558.47x = 837.03 × 314.49
  4. Step 4: Simplify right side
    558.47x = 263,231.81
  5. Step 5: Solve for x
    x = 263,231.81/558.47
  6. Step 6: Final answer
    x = 471.34

Related Problems

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Double scale
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Similar ratio
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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.