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Finding the Fourth Proportional to 606.90, 837.51 and 358.23

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Solution

The fourth proportional to 606.90, 837.51 and 358.23 is: 494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.90 : 837.51 = 358.23 : x
  2. Step 2: Convert to fraction form
    606.90/837.51 = 358.23/x
  3. Step 3: Cross multiply
    606.90x = 837.51 × 358.23
  4. Step 4: Simplify right side
    606.90x = 300,021.21
  5. Step 5: Solve for x
    x = 300,021.21/606.90
  6. Step 6: Final answer
    x = 494.35

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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.