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Finding the Fourth Proportional to 845.19, 1,266.39 and 600.51

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Solution

The fourth proportional to 845.19, 1,266.39 and 600.51 is: 899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.19 : 1,266.39 = 600.51 : x
  2. Step 2: Convert to fraction form
    845.19/1,266.39 = 600.51/x
  3. Step 3: Cross multiply
    845.19x = 1,266.39 × 600.51
  4. Step 4: Simplify right side
    845.19x = 760,479.86
  5. Step 5: Solve for x
    x = 760,479.86/845.19
  6. Step 6: Final answer
    x = 899.77

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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.