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Finding the Fourth Proportional to 599.51, 900.48 and 439.13

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Solution

The fourth proportional to 599.51, 900.48 and 439.13 is: 659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.51 : 900.48 = 439.13 : x
  2. Step 2: Convert to fraction form
    599.51/900.48 = 439.13/x
  3. Step 3: Cross multiply
    599.51x = 900.48 × 439.13
  4. Step 4: Simplify right side
    599.51x = 395,427.78
  5. Step 5: Solve for x
    x = 395,427.78/599.51
  6. Step 6: Final answer
    x = 659.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.