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Finding the Fourth Proportional to 582.49, 874.03 and 274.18

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Solution

The fourth proportional to 582.49, 874.03 and 274.18 is: 411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.49 : 874.03 = 274.18 : x
  2. Step 2: Convert to fraction form
    582.49/874.03 = 274.18/x
  3. Step 3: Cross multiply
    582.49x = 874.03 × 274.18
  4. Step 4: Simplify right side
    582.49x = 239,641.55
  5. Step 5: Solve for x
    x = 239,641.55/582.49
  6. Step 6: Final answer
    x = 411.41

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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.