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Finding the Fourth Proportional to 541.06, 746.69 and 317.03

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Solution

The fourth proportional to 541.06, 746.69 and 317.03 is: 437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.06 : 746.69 = 317.03 : x
  2. Step 2: Convert to fraction form
    541.06/746.69 = 317.03/x
  3. Step 3: Cross multiply
    541.06x = 746.69 × 317.03
  4. Step 4: Simplify right side
    541.06x = 236,717.81
  5. Step 5: Solve for x
    x = 236,717.81/541.06
  6. Step 6: Final answer
    x = 437.51

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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.