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Finding the Fourth Proportional to 540.54, 807.12 and 463.59

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Solution

The fourth proportional to 540.54, 807.12 and 463.59 is: 692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.54 : 807.12 = 463.59 : x
  2. Step 2: Convert to fraction form
    540.54/807.12 = 463.59/x
  3. Step 3: Cross multiply
    540.54x = 807.12 × 463.59
  4. Step 4: Simplify right side
    540.54x = 374,172.76
  5. Step 5: Solve for x
    x = 374,172.76/540.54
  6. Step 6: Final answer
    x = 692.22

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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.