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Finding the Fourth Proportional to 437.98, 657.54 and 374.26

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Solution

The fourth proportional to 437.98, 657.54 and 374.26 is: 561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.98 : 657.54 = 374.26 : x
  2. Step 2: Convert to fraction form
    437.98/657.54 = 374.26/x
  3. Step 3: Cross multiply
    437.98x = 657.54 × 374.26
  4. Step 4: Simplify right side
    437.98x = 246,090.92
  5. Step 5: Solve for x
    x = 246,090.92/437.98
  6. Step 6: Final answer
    x = 561.88

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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.