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Finding the Fourth Proportional to 582.07, 873.10 and 171.49

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Solution

The fourth proportional to 582.07, 873.10 and 171.49 is: 257.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.07 : 873.10 = 171.49 : x
  2. Step 2: Convert to fraction form
    582.07/873.10 = 171.49/x
  3. Step 3: Cross multiply
    582.07x = 873.10 × 171.49
  4. Step 4: Simplify right side
    582.07x = 149,727.92
  5. Step 5: Solve for x
    x = 149,727.92/582.07
  6. Step 6: Final answer
    x = 257.24

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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.