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Finding the Fourth Proportional to 341.04, 510.91 and 201.80

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Solution

The fourth proportional to 341.04, 510.91 and 201.80 is: 302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.04 : 510.91 = 201.80 : x
  2. Step 2: Convert to fraction form
    341.04/510.91 = 201.80/x
  3. Step 3: Cross multiply
    341.04x = 510.91 × 201.80
  4. Step 4: Simplify right side
    341.04x = 103,101.64
  5. Step 5: Solve for x
    x = 103,101.64/341.04
  6. Step 6: Final answer
    x = 302.32

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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.