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Finding the Fourth Proportional to 601.42, 902.02 and 190.49

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Solution

The fourth proportional to 601.42, 902.02 and 190.49 is: 285.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.42 : 902.02 = 190.49 : x
  2. Step 2: Convert to fraction form
    601.42/902.02 = 190.49/x
  3. Step 3: Cross multiply
    601.42x = 902.02 × 190.49
  4. Step 4: Simplify right side
    601.42x = 171,828.04
  5. Step 5: Solve for x
    x = 171,828.04/601.42
  6. Step 6: Final answer
    x = 285.71

Related Problems

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