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Finding the Fourth Proportional to 582.39, 873.18 and 293.63

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Solution

The fourth proportional to 582.39, 873.18 and 293.63 is: 440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.39 : 873.18 = 293.63 : x
  2. Step 2: Convert to fraction form
    582.39/873.18 = 293.63/x
  3. Step 3: Cross multiply
    582.39x = 873.18 × 293.63
  4. Step 4: Simplify right side
    582.39x = 256,387.48
  5. Step 5: Solve for x
    x = 256,387.48/582.39
  6. Step 6: Final answer
    x = 440.23

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Half scale
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Double scale
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Similar ratio
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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.