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Finding the Fourth Proportional to 606.75, 837.02 and 382.58

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Solution

The fourth proportional to 606.75, 837.02 and 382.58 is: 527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.75 : 837.02 = 382.58 : x
  2. Step 2: Convert to fraction form
    606.75/837.02 = 382.58/x
  3. Step 3: Cross multiply
    606.75x = 837.02 × 382.58
  4. Step 4: Simplify right side
    606.75x = 320,227.29
  5. Step 5: Solve for x
    x = 320,227.29/606.75
  6. Step 6: Final answer
    x = 527.77

Related Problems

Find fourth proportional to 303.38, 418.51 and 191.29
Half scale
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Double scale
Find fourth proportional to 607.75, 838.39 and 383.58
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.