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Finding the Fourth Proportional to 437.23, 651.86 and 426.01

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Solution

The fourth proportional to 437.23, 651.86 and 426.01 is: 635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.23 : 651.86 = 426.01 : x
  2. Step 2: Convert to fraction form
    437.23/651.86 = 426.01/x
  3. Step 3: Cross multiply
    437.23x = 651.86 × 426.01
  4. Step 4: Simplify right side
    437.23x = 277,698.88
  5. Step 5: Solve for x
    x = 277,698.88/437.23
  6. Step 6: Final answer
    x = 635.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.