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Finding the Fourth Proportional to 598.57, 826.34 and 451.56

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Solution

The fourth proportional to 598.57, 826.34 and 451.56 is: 623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.57 : 826.34 = 451.56 : x
  2. Step 2: Convert to fraction form
    598.57/826.34 = 451.56/x
  3. Step 3: Cross multiply
    598.57x = 826.34 × 451.56
  4. Step 4: Simplify right side
    598.57x = 373,139.09
  5. Step 5: Solve for x
    x = 373,139.09/598.57
  6. Step 6: Final answer
    x = 623.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.