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Finding the Fourth Proportional to 601.08, 905.10 and 550.68

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Solution

The fourth proportional to 601.08, 905.10 and 550.68 is: 829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.08 : 905.10 = 550.68 : x
  2. Step 2: Convert to fraction form
    601.08/905.10 = 550.68/x
  3. Step 3: Cross multiply
    601.08x = 905.10 × 550.68
  4. Step 4: Simplify right side
    601.08x = 498,420.47
  5. Step 5: Solve for x
    x = 498,420.47/601.08
  6. Step 6: Final answer
    x = 829.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.