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Finding the Fourth Proportional to 437.10, 598.88 and 431.03

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Solution

The fourth proportional to 437.10, 598.88 and 431.03 is: 590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.10 : 598.88 = 431.03 : x
  2. Step 2: Convert to fraction form
    437.10/598.88 = 431.03/x
  3. Step 3: Cross multiply
    437.10x = 598.88 × 431.03
  4. Step 4: Simplify right side
    437.10x = 258,135.25
  5. Step 5: Solve for x
    x = 258,135.25/437.10
  6. Step 6: Final answer
    x = 590.56

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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.