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Finding the Fourth Proportional to 582.81, 874.25 and 192.79

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Solution

The fourth proportional to 582.81, 874.25 and 192.79 is: 289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.81 : 874.25 = 192.79 : x
  2. Step 2: Convert to fraction form
    582.81/874.25 = 192.79/x
  3. Step 3: Cross multiply
    582.81x = 874.25 × 192.79
  4. Step 4: Simplify right side
    582.81x = 168,546.66
  5. Step 5: Solve for x
    x = 168,546.66/582.81
  6. Step 6: Final answer
    x = 289.20

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.