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Finding the Fourth Proportional to 435.35, 600.96 and 315.89

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Solution

The fourth proportional to 435.35, 600.96 and 315.89 is: 436.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.35 : 600.96 = 315.89 : x
  2. Step 2: Convert to fraction form
    435.35/600.96 = 315.89/x
  3. Step 3: Cross multiply
    435.35x = 600.96 × 315.89
  4. Step 4: Simplify right side
    435.35x = 189,837.25
  5. Step 5: Solve for x
    x = 189,837.25/435.35
  6. Step 6: Final answer
    x = 436.06

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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.