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Finding the Fourth Proportional to 573.86, 791.95 and 325.19

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Solution

The fourth proportional to 573.86, 791.95 and 325.19 is: 448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.86 : 791.95 = 325.19 : x
  2. Step 2: Convert to fraction form
    573.86/791.95 = 325.19/x
  3. Step 3: Cross multiply
    573.86x = 791.95 × 325.19
  4. Step 4: Simplify right side
    573.86x = 257,534.22
  5. Step 5: Solve for x
    x = 257,534.22/573.86
  6. Step 6: Final answer
    x = 448.78

Related Problems

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Half scale
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Double scale
Find fourth proportional to 574.86, 793.33 and 326.19
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.