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Finding the Fourth Proportional to 806.58, 1,208.70 and 600.18

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Solution

The fourth proportional to 806.58, 1,208.70 and 600.18 is: 899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.58 : 1,208.70 = 600.18 : x
  2. Step 2: Convert to fraction form
    806.58/1,208.70 = 600.18/x
  3. Step 3: Cross multiply
    806.58x = 1,208.70 × 600.18
  4. Step 4: Simplify right side
    806.58x = 725,437.57
  5. Step 5: Solve for x
    x = 725,437.57/806.58
  6. Step 6: Final answer
    x = 899.40

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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.