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Finding the Fourth Proportional to 606.18, 908.64 and 552.72

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Solution

The fourth proportional to 606.18, 908.64 and 552.72 is: 828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.18 : 908.64 = 552.72 : x
  2. Step 2: Convert to fraction form
    606.18/908.64 = 552.72/x
  3. Step 3: Cross multiply
    606.18x = 908.64 × 552.72
  4. Step 4: Simplify right side
    606.18x = 502,223.50
  5. Step 5: Solve for x
    x = 502,223.50/606.18
  6. Step 6: Final answer
    x = 828.51

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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.