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Finding the Fourth Proportional to 574.38, 793.01 and 378.23

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Solution

The fourth proportional to 574.38, 793.01 and 378.23 is: 522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.38 : 793.01 = 378.23 : x
  2. Step 2: Convert to fraction form
    574.38/793.01 = 378.23/x
  3. Step 3: Cross multiply
    574.38x = 793.01 × 378.23
  4. Step 4: Simplify right side
    574.38x = 299,934.32
  5. Step 5: Solve for x
    x = 299,934.32/574.38
  6. Step 6: Final answer
    x = 522.19

Related Problems

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Half scale
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Double scale
Find fourth proportional to 575.38, 794.39 and 379.23
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.