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Finding the Fourth Proportional to 600.80, 828.86 and 483.08

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Solution

The fourth proportional to 600.80, 828.86 and 483.08 is: 666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.80 : 828.86 = 483.08 : x
  2. Step 2: Convert to fraction form
    600.80/828.86 = 483.08/x
  3. Step 3: Cross multiply
    600.80x = 828.86 × 483.08
  4. Step 4: Simplify right side
    600.80x = 400,405.69
  5. Step 5: Solve for x
    x = 400,405.69/600.80
  6. Step 6: Final answer
    x = 666.45

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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.