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Finding the Fourth Proportional to 606.86, 837.48 and 358.25

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Solution

The fourth proportional to 606.86, 837.48 and 358.25 is: 494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.86 : 837.48 = 358.25 : x
  2. Step 2: Convert to fraction form
    606.86/837.48 = 358.25/x
  3. Step 3: Cross multiply
    606.86x = 837.48 × 358.25
  4. Step 4: Simplify right side
    606.86x = 300,023.02
  5. Step 5: Solve for x
    x = 300,023.02/606.86
  6. Step 6: Final answer
    x = 494.39

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.