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Finding the Fourth Proportional to 434.52, 598.59 and 413.69

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Solution

The fourth proportional to 434.52, 598.59 and 413.69 is: 569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.52 : 598.59 = 413.69 : x
  2. Step 2: Convert to fraction form
    434.52/598.59 = 413.69/x
  3. Step 3: Cross multiply
    434.52x = 598.59 × 413.69
  4. Step 4: Simplify right side
    434.52x = 247,627.70
  5. Step 5: Solve for x
    x = 247,627.70/434.52
  6. Step 6: Final answer
    x = 569.89

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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.