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Finding the Fourth Proportional to 369.99, 552.74 and 265.04

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Solution

The fourth proportional to 369.99, 552.74 and 265.04 is: 395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.99 : 552.74 = 265.04 : x
  2. Step 2: Convert to fraction form
    369.99/552.74 = 265.04/x
  3. Step 3: Cross multiply
    369.99x = 552.74 × 265.04
  4. Step 4: Simplify right side
    369.99x = 146,496.88
  5. Step 5: Solve for x
    x = 146,496.88/369.99
  6. Step 6: Final answer
    x = 395.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.