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Finding the Fourth Proportional to 579.07, 799.08 and 317.03

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Solution

The fourth proportional to 579.07, 799.08 and 317.03 is: 437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.07 : 799.08 = 317.03 : x
  2. Step 2: Convert to fraction form
    579.07/799.08 = 317.03/x
  3. Step 3: Cross multiply
    579.07x = 799.08 × 317.03
  4. Step 4: Simplify right side
    579.07x = 253,332.33
  5. Step 5: Solve for x
    x = 253,332.33/579.07
  6. Step 6: Final answer
    x = 437.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.