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Finding the Fourth Proportional to 341.53, 471.13 and 216.98

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Solution

The fourth proportional to 341.53, 471.13 and 216.98 is: 299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.53 : 471.13 = 216.98 : x
  2. Step 2: Convert to fraction form
    341.53/471.13 = 216.98/x
  3. Step 3: Cross multiply
    341.53x = 471.13 × 216.98
  4. Step 4: Simplify right side
    341.53x = 102,222.35
  5. Step 5: Solve for x
    x = 102,222.35/341.53
  6. Step 6: Final answer
    x = 299.31

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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.