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Finding the Fourth Proportional to 552.92, 762.30 and 413.12

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Solution

The fourth proportional to 552.92, 762.30 and 413.12 is: 569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.92 : 762.30 = 413.12 : x
  2. Step 2: Convert to fraction form
    552.92/762.30 = 413.12/x
  3. Step 3: Cross multiply
    552.92x = 762.30 × 413.12
  4. Step 4: Simplify right side
    552.92x = 314,921.38
  5. Step 5: Solve for x
    x = 314,921.38/552.92
  6. Step 6: Final answer
    x = 569.56

Related Problems

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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.