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Finding the Fourth Proportional to 638.33, 957.51 and 597.32

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Solution

The fourth proportional to 638.33, 957.51 and 597.32 is: 895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    638.33 : 957.51 = 597.32 : x
  2. Step 2: Convert to fraction form
    638.33/957.51 = 597.32/x
  3. Step 3: Cross multiply
    638.33x = 957.51 × 597.32
  4. Step 4: Simplify right side
    638.33x = 571,939.87
  5. Step 5: Solve for x
    x = 571,939.87/638.33
  6. Step 6: Final answer
    x = 895.99

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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.