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Finding the Fourth Proportional to 760.06, 1,141.82 and 541.22

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Solution

The fourth proportional to 760.06, 1,141.82 and 541.22 is: 813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.06 : 1,141.82 = 541.22 : x
  2. Step 2: Convert to fraction form
    760.06/1,141.82 = 541.22/x
  3. Step 3: Cross multiply
    760.06x = 1,141.82 × 541.22
  4. Step 4: Simplify right side
    760.06x = 617,975.82
  5. Step 5: Solve for x
    x = 617,975.82/760.06
  6. Step 6: Final answer
    x = 813.06

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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.