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Finding the Fourth Proportional to 606.75, 837.31 and 358.07

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Solution

The fourth proportional to 606.75, 837.31 and 358.07 is: 494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.75 : 837.31 = 358.07 : x
  2. Step 2: Convert to fraction form
    606.75/837.31 = 358.07/x
  3. Step 3: Cross multiply
    606.75x = 837.31 × 358.07
  4. Step 4: Simplify right side
    606.75x = 299,816.90
  5. Step 5: Solve for x
    x = 299,816.90/606.75
  6. Step 6: Final answer
    x = 494.13

Related Problems

Find fourth proportional to 303.38, 418.66 and 179.04
Half scale
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Double scale
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Similar ratio
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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.