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Finding the Fourth Proportional to 413.34, 570.12 and 373.74

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Solution

The fourth proportional to 413.34, 570.12 and 373.74 is: 515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    413.34 : 570.12 = 373.74 : x
  2. Step 2: Convert to fraction form
    413.34/570.12 = 373.74/x
  3. Step 3: Cross multiply
    413.34x = 570.12 × 373.74
  4. Step 4: Simplify right side
    413.34x = 213,076.65
  5. Step 5: Solve for x
    x = 213,076.65/413.34
  6. Step 6: Final answer
    x = 515.50

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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.