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Finding the Fourth Proportional to 606.50, 912.23 and 554.02

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Solution

The fourth proportional to 606.50, 912.23 and 554.02 is: 833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.50 : 912.23 = 554.02 : x
  2. Step 2: Convert to fraction form
    606.50/912.23 = 554.02/x
  3. Step 3: Cross multiply
    606.50x = 912.23 × 554.02
  4. Step 4: Simplify right side
    606.50x = 505,393.66
  5. Step 5: Solve for x
    x = 505,393.66/606.50
  6. Step 6: Final answer
    x = 833.30

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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.