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Finding the Fourth Proportional to 959.15, 1,324.22 and 737.66

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Solution

The fourth proportional to 959.15, 1,324.22 and 737.66 is: 1,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.15 : 1,324.22 = 737.66 : x
  2. Step 2: Convert to fraction form
    959.15/1,324.22 = 737.66/x
  3. Step 3: Cross multiply
    959.15x = 1,324.22 × 737.66
  4. Step 4: Simplify right side
    959.15x = 976,813.82
  5. Step 5: Solve for x
    x = 976,813.82/959.15
  6. Step 6: Final answer
    x = 1,018.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.