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Finding the Fourth Proportional to 606.01, 909.02 and 328.99

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Solution

The fourth proportional to 606.01, 909.02 and 328.99 is: 493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.01 : 909.02 = 328.99 : x
  2. Step 2: Convert to fraction form
    606.01/909.02 = 328.99/x
  3. Step 3: Cross multiply
    606.01x = 909.02 × 328.99
  4. Step 4: Simplify right side
    606.01x = 299,058.49
  5. Step 5: Solve for x
    x = 299,058.49/606.01
  6. Step 6: Final answer
    x = 493.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.