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Finding the Fourth Proportional to 582.33, 873.18 and 289.19

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Solution

The fourth proportional to 582.33, 873.18 and 289.19 is: 433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.33 : 873.18 = 289.19 : x
  2. Step 2: Convert to fraction form
    582.33/873.18 = 289.19/x
  3. Step 3: Cross multiply
    582.33x = 873.18 × 289.19
  4. Step 4: Simplify right side
    582.33x = 252,515.65
  5. Step 5: Solve for x
    x = 252,515.65/582.33
  6. Step 6: Final answer
    x = 433.63

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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.