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Finding the Fourth Proportional to 430.24, 594 and 299.20

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Solution

The fourth proportional to 430.24, 594 and 299.20 is: 413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.24 : 594 = 299.20 : x
  2. Step 2: Convert to fraction form
    430.24/594 = 299.20/x
  3. Step 3: Cross multiply
    430.24x = 594 × 299.20
  4. Step 4: Simplify right side
    430.24x = 177,724.80
  5. Step 5: Solve for x
    x = 177,724.80/430.24
  6. Step 6: Final answer
    x = 413.08

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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.