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Finding the Fourth Proportional to 369.02, 552.26 and 291.34

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Solution

The fourth proportional to 369.02, 552.26 and 291.34 is: 436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.02 : 552.26 = 291.34 : x
  2. Step 2: Convert to fraction form
    369.02/552.26 = 291.34/x
  3. Step 3: Cross multiply
    369.02x = 552.26 × 291.34
  4. Step 4: Simplify right side
    369.02x = 160,895.43
  5. Step 5: Solve for x
    x = 160,895.43/369.02
  6. Step 6: Final answer
    x = 436.01

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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.