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Finding the Fourth Proportional to 599.50, 899.52 and 438.52

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Solution

The fourth proportional to 599.50, 899.52 and 438.52 is: 657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.50 : 899.52 = 438.52 : x
  2. Step 2: Convert to fraction form
    599.50/899.52 = 438.52/x
  3. Step 3: Cross multiply
    599.50x = 899.52 × 438.52
  4. Step 4: Simplify right side
    599.50x = 394,457.51
  5. Step 5: Solve for x
    x = 394,457.51/599.50
  6. Step 6: Final answer
    x = 657.98

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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.