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Finding the Fourth Proportional to 606.32, 908.40 and 559.16

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Solution

The fourth proportional to 606.32, 908.40 and 559.16 is: 837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.32 : 908.40 = 559.16 : x
  2. Step 2: Convert to fraction form
    606.32/908.40 = 559.16/x
  3. Step 3: Cross multiply
    606.32x = 908.40 × 559.16
  4. Step 4: Simplify right side
    606.32x = 507,940.94
  5. Step 5: Solve for x
    x = 507,940.94/606.32
  6. Step 6: Final answer
    x = 837.74

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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.