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Finding the Fourth Proportional to 606.26, 904.98 and 561.18

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Solution

The fourth proportional to 606.26, 904.98 and 561.18 is: 837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.26 : 904.98 = 561.18 : x
  2. Step 2: Convert to fraction form
    606.26/904.98 = 561.18/x
  3. Step 3: Cross multiply
    606.26x = 904.98 × 561.18
  4. Step 4: Simplify right side
    606.26x = 507,856.68
  5. Step 5: Solve for x
    x = 507,856.68/606.26
  6. Step 6: Final answer
    x = 837.69

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1.5x scale

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.