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Finding the Fourth Proportional to 599.69, 899.59 and 188.72

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Solution

The fourth proportional to 599.69, 899.59 and 188.72 is: 283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.69 : 899.59 = 188.72 : x
  2. Step 2: Convert to fraction form
    599.69/899.59 = 188.72/x
  3. Step 3: Cross multiply
    599.69x = 899.59 × 188.72
  4. Step 4: Simplify right side
    599.69x = 169,769.38
  5. Step 5: Solve for x
    x = 169,769.38/599.69
  6. Step 6: Final answer
    x = 283.09

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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.