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Finding the Fourth Proportional to 624.56, 937.01 and 556.56

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Solution

The fourth proportional to 624.56, 937.01 and 556.56 is: 834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.56 : 937.01 = 556.56 : x
  2. Step 2: Convert to fraction form
    624.56/937.01 = 556.56/x
  3. Step 3: Cross multiply
    624.56x = 937.01 × 556.56
  4. Step 4: Simplify right side
    624.56x = 521,502.29
  5. Step 5: Solve for x
    x = 521,502.29/624.56
  6. Step 6: Final answer
    x = 834.99

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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.