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Finding the Fourth Proportional to 595.81, 893.21 and 413.56

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Solution

The fourth proportional to 595.81, 893.21 and 413.56 is: 619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.81 : 893.21 = 413.56 : x
  2. Step 2: Convert to fraction form
    595.81/893.21 = 413.56/x
  3. Step 3: Cross multiply
    595.81x = 893.21 × 413.56
  4. Step 4: Simplify right side
    595.81x = 369,391.46
  5. Step 5: Solve for x
    x = 369,391.46/595.81
  6. Step 6: Final answer
    x = 619.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.