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Finding the Fourth Proportional to 606.22, 904.93 and 561.13

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Solution

The fourth proportional to 606.22, 904.93 and 561.13 is: 837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.22 : 904.93 = 561.13 : x
  2. Step 2: Convert to fraction form
    606.22/904.93 = 561.13/x
  3. Step 3: Cross multiply
    606.22x = 904.93 × 561.13
  4. Step 4: Simplify right side
    606.22x = 507,783.37
  5. Step 5: Solve for x
    x = 507,783.37/606.22
  6. Step 6: Final answer
    x = 837.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.