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Finding the Fourth Proportional to 1,014.09, 1,521.18 and 364.65

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Solution

The fourth proportional to 1,014.09, 1,521.18 and 364.65 is: 546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.09 : 1,521.18 = 364.65 : x
  2. Step 2: Convert to fraction form
    1,014.09/1,521.18 = 364.65/x
  3. Step 3: Cross multiply
    1,014.09x = 1,521.18 × 364.65
  4. Step 4: Simplify right side
    1,014.09x = 554,698.29
  5. Step 5: Solve for x
    x = 554,698.29/1,014.09
  6. Step 6: Final answer
    x = 546.99

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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.