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Finding the Fourth Proportional to 600.75, 828.84 and 351.93

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Solution

The fourth proportional to 600.75, 828.84 and 351.93 is: 485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.75 : 828.84 = 351.93 : x
  2. Step 2: Convert to fraction form
    600.75/828.84 = 351.93/x
  3. Step 3: Cross multiply
    600.75x = 828.84 × 351.93
  4. Step 4: Simplify right side
    600.75x = 291,693.66
  5. Step 5: Solve for x
    x = 291,693.66/600.75
  6. Step 6: Final answer
    x = 485.55

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Find fourth proportional to 300.38, 414.42 and 175.97
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1.5x scale

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.