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Finding the Fourth Proportional to 437.85, 598.87 and 431.37

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Solution

The fourth proportional to 437.85, 598.87 and 431.37 is: 590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.85 : 598.87 = 431.37 : x
  2. Step 2: Convert to fraction form
    437.85/598.87 = 431.37/x
  3. Step 3: Cross multiply
    437.85x = 598.87 × 431.37
  4. Step 4: Simplify right side
    437.85x = 258,334.55
  5. Step 5: Solve for x
    x = 258,334.55/437.85
  6. Step 6: Final answer
    x = 590.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.