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Finding the Fourth Proportional to 582.73, 804.09 and 346.68

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Solution

The fourth proportional to 582.73, 804.09 and 346.68 is: 478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.73 : 804.09 = 346.68 : x
  2. Step 2: Convert to fraction form
    582.73/804.09 = 346.68/x
  3. Step 3: Cross multiply
    582.73x = 804.09 × 346.68
  4. Step 4: Simplify right side
    582.73x = 278,761.92
  5. Step 5: Solve for x
    x = 278,761.92/582.73
  6. Step 6: Final answer
    x = 478.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 583.73, 805.47 and 347.68
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.