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Finding the Fourth Proportional to 1,063.16, 1,595.46 and 413.81

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Solution

The fourth proportional to 1,063.16, 1,595.46 and 413.81 is: 621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.16 : 1,595.46 = 413.81 : x
  2. Step 2: Convert to fraction form
    1,063.16/1,595.46 = 413.81/x
  3. Step 3: Cross multiply
    1,063.16x = 1,595.46 × 413.81
  4. Step 4: Simplify right side
    1,063.16x = 660,217.30
  5. Step 5: Solve for x
    x = 660,217.30/1,063.16
  6. Step 6: Final answer
    x = 621.00

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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.