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Finding the Fourth Proportional to 894.83, 1,340.75 and 633.53

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Solution

The fourth proportional to 894.83, 1,340.75 and 633.53 is: 949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.83 : 1,340.75 = 633.53 : x
  2. Step 2: Convert to fraction form
    894.83/1,340.75 = 633.53/x
  3. Step 3: Cross multiply
    894.83x = 1,340.75 × 633.53
  4. Step 4: Simplify right side
    894.83x = 849,405.53
  5. Step 5: Solve for x
    x = 849,405.53/894.83
  6. Step 6: Final answer
    x = 949.24

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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.