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Finding the Fourth Proportional to 582.39, 873.59 and 293.49

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Solution

The fourth proportional to 582.39, 873.59 and 293.49 is: 440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.39 : 873.59 = 293.49 : x
  2. Step 2: Convert to fraction form
    582.39/873.59 = 293.49/x
  3. Step 3: Cross multiply
    582.39x = 873.59 × 293.49
  4. Step 4: Simplify right side
    582.39x = 256,388.46
  5. Step 5: Solve for x
    x = 256,388.46/582.39
  6. Step 6: Final answer
    x = 440.24

Related Problems

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Half scale
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Double scale
Find fourth proportional to 583.39, 875.09 and 294.49
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.