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Finding the Fourth Proportional to 560.13, 773.19 and 413.94

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Solution

The fourth proportional to 560.13, 773.19 and 413.94 is: 571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.13 : 773.19 = 413.94 : x
  2. Step 2: Convert to fraction form
    560.13/773.19 = 413.94/x
  3. Step 3: Cross multiply
    560.13x = 773.19 × 413.94
  4. Step 4: Simplify right side
    560.13x = 320,054.27
  5. Step 5: Solve for x
    x = 320,054.27/560.13
  6. Step 6: Final answer
    x = 571.39

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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.