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Finding the Fourth Proportional to 599.40, 898.70 and 275.00

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Solution

The fourth proportional to 599.40, 898.70 and 275.00 is: 412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.40 : 898.70 = 275.00 : x
  2. Step 2: Convert to fraction form
    599.40/898.70 = 275.00/x
  3. Step 3: Cross multiply
    599.40x = 898.70 × 275.00
  4. Step 4: Simplify right side
    599.40x = 247,136.63
  5. Step 5: Solve for x
    x = 247,136.63/599.40
  6. Step 6: Final answer
    x = 412.31

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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.