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Finding the Fourth Proportional to 599.36, 898.72 and 291.20

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Solution

The fourth proportional to 599.36, 898.72 and 291.20 is: 436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.36 : 898.72 = 291.20 : x
  2. Step 2: Convert to fraction form
    599.36/898.72 = 291.20/x
  3. Step 3: Cross multiply
    599.36x = 898.72 × 291.20
  4. Step 4: Simplify right side
    599.36x = 261,707.26
  5. Step 5: Solve for x
    x = 261,707.26/599.36
  6. Step 6: Final answer
    x = 436.64

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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.