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Finding the Fourth Proportional to 599.40, 895.09 and 518.44

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Solution

The fourth proportional to 599.40, 895.09 and 518.44 is: 774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.40 : 895.09 = 518.44 : x
  2. Step 2: Convert to fraction form
    599.40/895.09 = 518.44/x
  3. Step 3: Cross multiply
    599.40x = 895.09 × 518.44
  4. Step 4: Simplify right side
    599.40x = 464,050.46
  5. Step 5: Solve for x
    x = 464,050.46/599.40
  6. Step 6: Final answer
    x = 774.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.