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Finding the Fourth Proportional to 371.34, 554.00 and 353.10

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Solution

The fourth proportional to 371.34, 554.00 and 353.10 is: 526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.34 : 554.00 = 353.10 : x
  2. Step 2: Convert to fraction form
    371.34/554.00 = 353.10/x
  3. Step 3: Cross multiply
    371.34x = 554.00 × 353.10
  4. Step 4: Simplify right side
    371.34x = 195,615.63
  5. Step 5: Solve for x
    x = 195,615.63/371.34
  6. Step 6: Final answer
    x = 526.78

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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.