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Finding the Fourth Proportional to 668.33, 997.34 and 587.34

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Solution

The fourth proportional to 668.33, 997.34 and 587.34 is: 876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    668.33 : 997.34 = 587.34 : x
  2. Step 2: Convert to fraction form
    668.33/997.34 = 587.34/x
  3. Step 3: Cross multiply
    668.33x = 997.34 × 587.34
  4. Step 4: Simplify right side
    668.33x = 585,774.74
  5. Step 5: Solve for x
    x = 585,774.74/668.33
  6. Step 6: Final answer
    x = 876.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.