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Finding the Fourth Proportional to 599.56, 893.45 and 579.98

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Solution

The fourth proportional to 599.56, 893.45 and 579.98 is: 864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.56 : 893.45 = 579.98 : x
  2. Step 2: Convert to fraction form
    599.56/893.45 = 579.98/x
  3. Step 3: Cross multiply
    599.56x = 893.45 × 579.98
  4. Step 4: Simplify right side
    599.56x = 518,184.58
  5. Step 5: Solve for x
    x = 518,184.58/599.56
  6. Step 6: Final answer
    x = 864.28

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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.