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Finding the Fourth Proportional to 698.37, 963.59 and 433.05

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Solution

The fourth proportional to 698.37, 963.59 and 433.05 is: 597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    698.37 : 963.59 = 433.05 : x
  2. Step 2: Convert to fraction form
    698.37/963.59 = 433.05/x
  3. Step 3: Cross multiply
    698.37x = 963.59 × 433.05
  4. Step 4: Simplify right side
    698.37x = 417,282.65
  5. Step 5: Solve for x
    x = 417,282.65/698.37
  6. Step 6: Final answer
    x = 597.51

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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.