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Finding the Fourth Proportional to 596.39, 822.89 and 347.67

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Solution

The fourth proportional to 596.39, 822.89 and 347.67 is: 479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.39 : 822.89 = 347.67 : x
  2. Step 2: Convert to fraction form
    596.39/822.89 = 347.67/x
  3. Step 3: Cross multiply
    596.39x = 822.89 × 347.67
  4. Step 4: Simplify right side
    596.39x = 286,095.04
  5. Step 5: Solve for x
    x = 286,095.04/596.39
  6. Step 6: Final answer
    x = 479.72

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.