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Finding the Fourth Proportional to 368.69, 553.17 and 334.67

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Solution

The fourth proportional to 368.69, 553.17 and 334.67 is: 502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.69 : 553.17 = 334.67 : x
  2. Step 2: Convert to fraction form
    368.69/553.17 = 334.67/x
  3. Step 3: Cross multiply
    368.69x = 553.17 × 334.67
  4. Step 4: Simplify right side
    368.69x = 185,129.40
  5. Step 5: Solve for x
    x = 185,129.40/368.69
  6. Step 6: Final answer
    x = 502.13

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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.