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Finding the Fourth Proportional to 599.08, 898.62 and 478.84

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Solution

The fourth proportional to 599.08, 898.62 and 478.84 is: 718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.08 : 898.62 = 478.84 : x
  2. Step 2: Convert to fraction form
    599.08/898.62 = 478.84/x
  3. Step 3: Cross multiply
    599.08x = 898.62 × 478.84
  4. Step 4: Simplify right side
    599.08x = 430,295.20
  5. Step 5: Solve for x
    x = 430,295.20/599.08
  6. Step 6: Final answer
    x = 718.26

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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.