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Finding the Fourth Proportional to 606.59, 837.38 and 457.27

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Solution

The fourth proportional to 606.59, 837.38 and 457.27 is: 631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.59 : 837.38 = 457.27 : x
  2. Step 2: Convert to fraction form
    606.59/837.38 = 457.27/x
  3. Step 3: Cross multiply
    606.59x = 837.38 × 457.27
  4. Step 4: Simplify right side
    606.59x = 382,911.57
  5. Step 5: Solve for x
    x = 382,911.57/606.59
  6. Step 6: Final answer
    x = 631.25

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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.