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Finding the Fourth Proportional to 583.12, 804.09 and 435.50

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Solution

The fourth proportional to 583.12, 804.09 and 435.50 is: 600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.12 : 804.09 = 435.50 : x
  2. Step 2: Convert to fraction form
    583.12/804.09 = 435.50/x
  3. Step 3: Cross multiply
    583.12x = 804.09 × 435.50
  4. Step 4: Simplify right side
    583.12x = 350,181.20
  5. Step 5: Solve for x
    x = 350,181.20/583.12
  6. Step 6: Final answer
    x = 600.53

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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.