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Finding the Fourth Proportional to 883.87, 1,324.55 and 650.93

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Solution

The fourth proportional to 883.87, 1,324.55 and 650.93 is: 975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.87 : 1,324.55 = 650.93 : x
  2. Step 2: Convert to fraction form
    883.87/1,324.55 = 650.93/x
  3. Step 3: Cross multiply
    883.87x = 1,324.55 × 650.93
  4. Step 4: Simplify right side
    883.87x = 862,187.70
  5. Step 5: Solve for x
    x = 862,187.70/883.87
  6. Step 6: Final answer
    x = 975.47

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1.5x scale

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.